Home › Detective Comics › #21
Cover: Leo O'Mealia
Detective Comics #21
📊 ~65,200 copies sold its debut month
☆ Be the first to review + Add to your collection — Join free Contains 9 stories
The Glass of Poison
Phillippa Rowen (introduction, death)Betty Palmer (introduction)Big Shot Bettini (villain)
The Accident Racket
Tom Hayworth (introduction, villain)Dr. Avery (introduction, villain)Colby (introduction, villain)
Bullet Trap
Smythe (villain, introduction)
The Affair of Baron Von Muldorf
Baron Von Mundorf (introduction, villain)Lorenzo Rica (introduction, villain)
The Insidious Dr. Fu Manchu, Part 5
Dr. Fu ManchuSir Dennis Nayland SmithDr. Petrie
The Song of Death [Part 2]
Billie BrysonOpal Jackson (maid)RenickMrs. Warren (villain)
Mystery at the Mt. Pleasant Cemetery
Miss StevensMillerMiller's gang
The Pigeon Smugglers
JeannieJimThe Ferrini Gang (villains, introduction)
Seth and the Slave Ring
The Hotel ManagerSeth (introduction, villain, death)Lord Atherton (introduction)a girl (introduction, death)
In "Seth and the Slave Ring," a mysterious criminal network operates in the shadows, trafficking in human lives with ruthless efficiency. When a series of disappearances shakes a quiet coastal town, a determined investigator named Jo must unravel a web of deceit that leads deep into a hidden underworld.
ComicBooks.com Value
Our Model is In Beta
Raw (Good) $1,721
CGC 7.0 · 1 in census $8,653
CGC 6.5 · 3 in census $8,653
CGC 6.0 · 1 in census $5,865
CGC 5.5 none in existence
CGC 5.0 $3,855
CGC 4.5 · 1 in census $3,855*
Show all 14 grades ▾
CGC 4.0 · 3 in census $3,855
CGC 3.5 · 1 in census $3,458*
CGC 3.0 · 1 in census $2,816
CGC 2.5 · 2 in census $2,346
CGC 2.0 · 3 in census $2,111*
CGC 1.5 none in existence
CGC 1.0 none in existence
CGC 0.5 · 1 in census $1,064*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available
More listings for this title
VF+ $5.99 CGC $539.29 Batman Detective Comics 21 High Grade DC Comic Book CL99-24 $9.99
Related listings we couldn't confirm as this exact issue · 3 total · seen 33 days ago
🏪 Real comic shops near you sell this issue on eBay — from our directory:
Listings on eBay · clicking supports comicbooks.com
Read it digitally
DC Universe Infinite DC’s subscription reader Amazon Kindle Buy the digital edition
Opens a search on each platform — digital availability varies by title.
Sell my copy
Have this issue — or a whole collection? Get a fair offer from us, skip the marketplace fees and the hassle.
We Buy Collections ▸Fast, fair offers · we handle grading & shipping
Cast · 11 characters
Full credits
Reprints
Reprinted in Continuum #7 (2009)
Key issues in Detective Comics
Reviews
Reader reviews
No reader reviews yet.