Batman Adventures #12 CGC 9.4 1st appearance of Harley Quinn in a standard comic (cert 4001)

Why it's Hot:

• 1st appearance of Harley Quinn in a standard comic
• Kelley Puckett story
• Mike Parobeck and Rich Burchett cover & art

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!