Detective Comics #521 Newsstand 75¢ Canadian Price Variant

CGC Label Note

75 cent cover price.

2 Advisor Notesissue insights from guide contributors

V9 NM- Guide$36

Reg CGC Pop.37

CPV CGC Pop.5

CPV Census Rarity11.9%

Collector Signals & Marketplace Snapshot

Value Change+$22 since 2018+157% MarketplaceChecking... High ShownChecking...

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Guide Values

V9: 2026-2027

Grade	Condition	CPV Value
9.2	Near Mint-	$36
9.0	Very Fine / Near Mint	$32
8.0	Very Fine	$25
6.0	Fine	$18
4.0	Very Good	$12
2.0	Good	$6

Values are guide estimates and should be used alongside recent sales, condition, completeness, and market context.

Issue Notes

Key facts

Key note: 75 cent cover price.

Creator note: Gerry Conway & Joey Cavalieri stories; Irv Novick, Sal Trapani & Trevor Von Eeden art, Jim Aparo cover

House note: Versus Catwoman

Characters: Batman, Catwoman, Green Arrow, Vicki Vale

Advisor Notes

More Facts & Market Context

Doug Sulipa

GREEN ARROW Backup SERIES BEGINS; CATWOMAN seeks Vengeance against Vicki Vale; SELINA KYLE aka CATWOMAN = Page of NUDITY Panels; CATWOMAN with WHIP Panels; Two Pages of VICKI VALE in LINGERIE Panels;

Bill Alexander

Catwoman appearance; Nudity panels; Green Arrow back up stories begin

Value History

9.2 guide values

RegularCPV

CGC Census History

Population trend

Regular censusCPV census

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