Batman Adventures #12 CGC 9.4 1st appearance of Harley Quinn in a standard comic (cert 8019)

Why it's Hot:

• 1st appearance of Harley Quinn in a standard comic

Synopsis:

A special Batgirl-centric issue! Barbara Gordon attends a costume party dressed as her hero--and secret identity--Batgirl! Unfortunately for her, Poison Ivy and Harley Quinn also show up to the same party--and they're dressed for business!