Clue: Abbr. on Topps cards

Answer: ERA

Length: 3

---

Similar Clues:

• Figure on packs of Topps bouillabaseball cards in 1987 (ALF with 3 letters)
• Like some online forum postings: Abbr. (ANON with 4 letters)
• What Zener cards test for (abbr.) (ESP with 3 letters)
• It's tested with Zener cards (abbr.) (ESP with 3 letters)
• Face cards?: Abbr. (IDS with 3 letters)
• Wallet cards: Abbr. (IDS with 3 letters)
• Employees' photo cards: Abbr. (IDS with 3 letters)
• Need to get online: Abbr. (ISP with 3 letters)
• Ontario, abbr. (ONT with 3 letters)
• It may be tracked online: Abbr. (PKG with 3 letters)