𝘿𝙀𝘿𝘼𝙍𝙂 𝙏𝙎𝙐𝙅 ⚡️ The Flash #139 (1963) features the first appearance of Professor Zoom — aka the Reverse-Flash — one of Barry Allen’s most dangerous foes and among the most iconic villain debuts of the Silver Age. Drop a ⚡️ if you’d love to have this key in your collection.

𝘿𝙀𝘿𝘼𝙍𝙂 𝙏𝙎𝙐𝙅 ⚡️ The Flash #139 (1963) features the first appearance of Professor Zoom — aka the Reverse-Flash — one of Barry Allen’s most dangerous foes and among the most iconic villain debuts of the Silver Age.

Drop a ⚡️ if you’d love to have this key in your collection.

— PSAcard (@PSAcard) Sep 24, 2025