We use cookies

This website uses cookies in order to enhance the overall user experience.

Take a look at our Cookies Policy for more information.

Essential cookies

There are some cookies that we have to include in order for certain web pages to function. For this reason, they do not require your consent.

gocollectcom_cookie_consent

1 year 1 month 1 day

Used to store the user's cookie consent preferences.
gocollectcom_session

4 hours

Used to identify the user's browsing session.
XSRF-TOKEN

4 hours

Used to secure both the user and our website against cross-site request forgery attacks.
gcsid

6 months 2 weeks 15 hours 20 minutes

Session id cookie is used to support the browsing session identification.
gcvid

6 months 2 weeks 15 hours 20 minutes

Current visitor id cookie is used to support the visitor's browsing session.
ab_test

6 months 2 weeks 15 hours 20 minutes

Used for A/B testing to optimize website improvements without tracking personal data.

More details

Analytics cookies

We use these for internal research on how we can improve the service we provide for all our users. These cookies assess how you interact with our website.

GoogleTagManger

6 months 2 weeks 15 hours 20 minutes

This cookie enables Google Tag Manager to load tags from Google and Meta, to track website performance and activity.

More details

Optional cookies

These cookies enable features that could improve your user experience, but their absence will not impact your ability to browse our website.

Rewardful

6 months 2 weeks 15 hours 20 minutes

This cookie enables us to attribute referrals and reward partners.

More details

Advertiser Disclosure

#400

Key Issue

May 31, 1970

Detective Comics #400

Key Issue: First appearance of Man-Bat; First Bat-Girl & Robin team up

Artist: Neal Adams

Gil Kane

John Costanza

Dick Giordano

Vince Colletta

Writer: Frank Robbins

Denny O'Neil

Publisher: DC Comics

Editor: Julius Schwartz

Cover Artist: Neal Adams

Publication Date: May 31, 1970

Cover Price: $0.15

Page Count: 36 pages

What's it Worth?

Loading Sales Available Now

Graded Population

Loading Sales Available Now

Loading Featured Items

Known Variants

3 Variations of Detective Comics #400