Doug Sulipa
CATWOMAN Backup-s, with Gil Kane-a; Professor Hugo Strange-c/s; BONUS 16 Page Insert Preview of Masters of the Universe;
Enlarge Cover
Add to:
This issue is not yet saved in My Collection.
Detective Comics #520 Newsstand 75¢ Canadian Price Variant
CGC Label Note
1
Advisor Noteissue insights from guide contributors
Hugo Strange & Dr. Thirteen appearance. 16 page "Masters of the Universe" preview with Superman appearance.
V9 NM- Guide$36
Reg CGC Pop.63
CPV CGC Pop.4
CPV Census Rarity6.0%
Collector Signals & Marketplace Snapshot
Support CPV Price Guide: As an eBay Partner Network Affiliate, we earn from qualifying purchases.
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 factsKey note: Hugo Strange & Dr. Thirteen appearance. 16 page "Masters of the Universe" preview with Superman appearance.
Creator note: Gerry Conway story; Don Newton & Alfredo Alcala art; Jim Aparo cover
House note: Story continues in Batman #354
Characters: Batman, Catwoman, Dr. Thirteen, He-Man, Hugo Strange, Masters of the Universe, Superman
Advisor Note
More Facts & Market Context
Value History
9.2 guide valuesRegularCPV
CGC Census History
Population trendRegular censusCPV census
eBay Availability
Live lookupCurrent marketplace results load automatically for Detective Comics #520 Canadian Price Variant. Support CPV Price Guide by using the eBay marketplace links on this page: As an eBay Partner Network Affiliate, we earn from qualifying purchases.
Checking current eBay availability...
Add to Owned Issues
Choose the grade for this copy of Detective Comics #520. You can add multiple copies to My Collection.