Key Collector Comics

Adventure Comics  (1938)

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Adventure Comics #160
Non-Key

DC ⋅ 1950

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Adventure Comics #160
 
Low
$35
Mid
$110
High
$365
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Adventure Comics #169

DC ⋅ 1951

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Adventure Comics #169
 
Low
$40
Mid
$125
High
$410
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Key Facts

First use of the named Martha Kent, previously referred to as Mary Kent and Marthe Kent

Adventure Comics #174
Non-Key

DC ⋅ 1952

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Adventure Comics #174
 
Low
$30
Mid
$95
High
$315
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Adventure Comics #178
Non-Key

DC ⋅ 1952

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Adventure Comics #178
 
Low
$40
Mid
$125
High
$420
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Adventure Comics #182
Non-Key

DC ⋅ 1952

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Adventure Comics #182
 
Low
$60
Mid
$175
High
$585
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Adventure Comics #185
Non-Key

DC ⋅ 1952

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Adventure Comics #185
 
Low
$30
Mid
$85
High
$290
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Adventure Comics #199
Non-Key

DC ⋅ 1954

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Adventure Comics #199
 
Low
$25
Mid
$80
High
$270
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Adventure Comics #205
Non-Key

DC ⋅ 1954

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Adventure Comics #205
 
Low
$40
Mid
$120
High
$400
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Adventure Comics #210

DC ⋅ 1955

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Adventure Comics #210
 
Low
$1.2k
Mid
$4k
High
$12k
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Key Facts

1st appearance of Krypto the Superdog

Adventure Comics #210
Non-Key

Facsimile • Polybagged ⋅ DC ⋅ 2025

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Adventure Comics #210
 
Low
$1
Mid
$2
High
$4
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Key Facts

Facsimile reprint of Adventure Comics #210, the first appearance of Krypto

Polybagged with potential 'Krypto's Golden Biscuit' winning sticker inside

Two grand prizes are available - each winner is allowed a guest

Winners will be invited to the world premiere of Superman in Los Angeles on July 7, 2025

Airfare and accommodations are included for 3 days/2nights

Ask your local comic shop to order the quantity that you wish to purchase before May 26th (Final Order Cutoff)

Issue goes on sale at comic shops June 18th

Details on how to claim the prize will be outlined on the sticker and must be claimed by noon on June 25th

The foil edition and blank cover variant have both been cancelled so only the standard cover that is polybagged will have the prize

For more details and official rules, visit kryptogoldenbiscuit.com

🗝️ KEY OF THE WEEK: KEY COLLECTOR COMICS

Adventure Comics #214

DC ⋅ 1955

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Adventure Comics #214
 
Low
$75
Mid
$220
High
$800
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Key Facts

2nd appearance of Krypto the Superdog

Adventure Comics #216
Non-Key

DC ⋅ 1955

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Adventure Comics #216
 
Low
$55
Mid
$165
High
$550
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Adventure Comics #217
Non-Key

DC ⋅ 1955

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Adventure Comics #217
 
Low
$35
Mid
$105
High
$350
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Adventure Comics #218
Non-Key

DC ⋅ 1955

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Adventure Comics #218
 
Low
$60
Mid
$175
High
$585
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Adventure Comics #223
Non-Key

DC ⋅ 1956

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Adventure Comics #223
 
Low
$50
Mid
$150
High
$505
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Adventure Comics #225
Non-Key

DC ⋅ 1956

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Adventure Comics #225
 
Low
$25
Mid
$75
High
$245
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Adventure Comics #227
Non-Key

DC ⋅ 1956

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Adventure Comics #227
 
Low
$35
Mid
$100
High
$325
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Adventure Comics #228
Non-Key

DC ⋅ 1956

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Adventure Comics #228
 
Low
$20
Mid
$60
High
$195
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Adventure Comics #229

DC ⋅ 1956

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Adventure Comics #229
 
Low
$45
Mid
$135
High
$450
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Key Facts

1st appearance of Green Arrow in the Silver Age

1st appearance of Aquaman in the Silver Age

Adventure Comics #230
Non-Key

DC ⋅ 1956

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Adventure Comics #230
 
Low
$20
Mid
$60
High
$205
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Adventure Comics #231
Non-Key

DC ⋅ 1956

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Adventure Comics #231
 
Low
$18
Mid
$55
High
$180
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Adventure Comics #232
Non-Key

DC ⋅ 1957

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Adventure Comics #232
 
Low
$15
Mid
$45
High
$150
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Adventure Comics #233
Non-Key

DC ⋅ 1957

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Adventure Comics #233
 
Low
$18
Mid
$55
High
$185
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Adventure Comics #234
Non-Key

DC ⋅ 1957

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Adventure Comics #234
 
Low
$15
Mid
$50
High
$160
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Adventure Comics #235
Non-Key

DC ⋅ 1957

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Adventure Comics #235
 
Low
$25
Mid
$80
High
$265
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Adventure Comics #236
Non-Key

DC ⋅ 1957

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Adventure Comics #236
 
Low
$20
Mid
$65
High
$210
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Adventure Comics #237

DC ⋅ 1957

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Adventure Comics #237
 
Low
$35
Mid
$100
High
$325
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Key Facts

1st team appearance of Intergalactic Vigilante Squadron

Adventure Comics #238
Non-Key

DC ⋅ 1957

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Adventure Comics #238
 
Low
$15
Mid
$45
High
$155
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Adventure Comics #239
Non-Key

DC ⋅ 1957

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Adventure Comics #239
 
Low
$35
Mid
$100
High
$340
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Adventure Comics #240
Non-Key

DC ⋅ 1957

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Adventure Comics #240
 
Low
$25
Mid
$70
High
$235
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Adventure Comics #241
Non-Key

DC ⋅ 1957

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Adventure Comics #241
 
Low
$15
Mid
$40
High
$140
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Adventure Comics #242
Non-Key

DC ⋅ 1957

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Adventure Comics #242
 
Low
$25
Mid
$70
High
$225
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Adventure Comics #243
Non-Key

DC ⋅ 1957

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Adventure Comics #243
 
Low
$25
Mid
$70
High
$225
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Adventure Comics #244
Non-Key

DC ⋅ 1958

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Adventure Comics #244
 
Low
$30
Mid
$85
High
$290
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Adventure Comics #245
Non-Key

DC ⋅ 1958

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Adventure Comics #245
 
Low
$15
Mid
$45
High
$155
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Adventure Comics #246

DC ⋅ 1958

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Adventure Comics #246
 
Low
$35
Mid
$100
High
$325
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Key Facts

1st appearance of the Rainbow Archer

Adventure Comics #247

DC ⋅ 1958

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Adventure Comics #247
 
Low
$1.3k
Mid
$3.8k
High
$19k
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Key Facts

1st team appearance and origin of the Legion of Super-Heroes: Cosmic Boy, Lightning Boy, Saturn Girl

1st appearance of Cosmic Boy

1st appearance of Lightning Boy, later becomes Lightning Lad

1st appearance of Saturn Girl

Adventure Comics #247
Non-Key

Mexican ⋅ DC ⋅ 1959

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Adventure Comics #247
 
Low
$10
Mid
$30
High
$105
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Key Facts

Mexican edition published as Superman #197

Adventure Comics #248
Non-Key

DC ⋅ 1958

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Adventure Comics #248
 
Low
$25
Mid
$75
High
$250
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Adventure Comics #249
Non-Key

DC ⋅ 1958

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Adventure Comics #249
 
Low
$1
Mid
$1
High
$5
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Adventure Comics #250
Non-Key

DC ⋅ 1958

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Adventure Comics #250
 
Low
$25
Mid
$75
High
$245
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Adventure Comics #251
Non-Key

DC ⋅ 1958

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Adventure Comics #251
 
Low
$30
Mid
$90
High
$295
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Adventure Comics #252

DC ⋅ 1958

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Adventure Comics #252
 
Low
$30
Mid
$90
High
$300
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Key Facts

Debut of Red Kryptonite, causes temporary mutations and strange behavior

Adventure Comics #253

DC ⋅ 1958

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Adventure Comics #253
 
Low
$30
Mid
$100
High
$320
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Key Facts

First meeting between Superboy and Robin

Adventure Comics #254
Non-Key

DC ⋅ 1958

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Adventure Comics #254
 
Low
$18
Mid
$55
High
$175
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Adventure Comics #255
Non-Key

DC ⋅ 1958

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Adventure Comics #255
 
Low
$15
Mid
$50
High
$160
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Adventure Comics #257
Non-Key

DC ⋅ 1958

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Adventure Comics #257
 
Low
$15
Mid
$50
High
$160
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Adventure Comics #258

DC ⋅ 1959

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Adventure Comics #258
 
Low
$20
Mid
$70
High
$225
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Key Facts

First meeting of Green Arrow and Superboy

Adventure Comics #259

DC ⋅ 1959

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Adventure Comics #259
 
Low
$15
Mid
$45
High
$155
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Key Facts

1st appearance of the Crimson Archer, a millionaire turned criminal who tricked Green Arrow into teaching him how to shoot

Adventure Comics #260

DC ⋅ 1959

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Adventure Comics #260
 
Low
$80
Mid
$240
High
$1.1k
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Key Facts

Origin of Aquaman in the Silver Age, revealed that Aquaman's name is Arthur Curry

1st appearance of Queen Atlanna

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