Two key first appearances from the Silver Age of comics are for sale in Heritage’s Sunday & Monday Comics, Animation, & Art Weekly Online Auction. Comics in the auction close on August 9, followed by everything else on August 10, 2020.

The Silver Age at DC begins with Showcase #4 CGC 3.5, featuring the first appearance and origin of the second Flash, Barry Allen. With a cover and art by Carmine Infantino and Joe Kubert, this issue is in the No. 4 spot on Overstreet’s list of the Top 50 Silver Age Comics.

Supergirl’s first appearance and origin are found in Action Comics #252 CGC 6.5. The issue also contains the debut of Metallo, featuring a cover by Curt Swan, and the art by Al Plastino and Jim Mooney. It is tied for No. 16 on Overstreet’s Top 50 Silver Age Comics list.

This week’s auction is filled with 893 lots of comics, original art, and memorabilia. Bidding opens at 6 PM CT on ha.com.