Proof-of-age cards

• Driver's licenses and such: Abbr
• Checked cards, for short
• Proofs for purchase, sometimes
• Border-crossing necessities
• DMV licenses, often
• Picks out of a mug book
• Barkeep's request
• Psychic entities
• Checks eligibility, slangily

Wiktionary Word definitions in Wiktionary
n. (plural of id English)