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Detective Comics (1937) No. 850

🔑 Key Issue — 1st appearance of Gotham City Sirens

Issue Details

Detective Comics (1937) No. 850 cover

Publisher: DC Comics

Cover Date: January 2009

Cover Price: $3.99

Writer: Paul Dini

Penciller: Dustin Nguyen

Cover Artist: Dustin Nguyen

First Appearance: Gotham City Sirens

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Detective Comics (1937) #850 Value — Quick Raw Price Guide

GradeConditionRaw Value
9.4Near Mint$15.00
8.0Very Fine$10.50
6.0Fine$4.50
4.0Very Good$2.25
2.0Good$1.50

Graded CGC values, recent eBay sold comps, and full price history are available to members.

Detective Comics (1937) #850 Value FAQ

How much is Detective Comics (1937) #850 worth?

As of September 2026, a near-mint (9.4) raw copy is valued around $15.00; lower grades range from ~$1.50 (Good) to ~$10.50 (Very Fine).

Is Detective Comics (1937) #850 a key issue?

Yes — it is a key issue, featuring the first appearance of Gotham City Sirens.

Who created Detective Comics (1937) #850?

Detective Comics (1937) #850 was written by Paul Dini, pencilled by Dustin Nguyen, with a cover by Dustin Nguyen.

When was Detective Comics (1937) #850 published?

DC Comics published it with a January 2009 cover date, originally priced at $3.99.

What is a high-grade copy of Detective Comics (1937) #850 worth?

A Near Mint (9.4) raw copy runs about $15.00. Graded (CGC) copies typically sell for more — available to members.