Question: When did the old pound coin come into circulation?
Answer: 21 April 1983
Disambiguated annotations:
qaPairs: question: When did the old original pound coin come into circulation?
answer: 21 April 1983
question: When did the old pound coin with a portrait by Raphael Maklouf come into circulation?
answer: 1985
question: When did the old pound coin with a portrait by Ian Rank-Broadley come into circulation?
answer: 1998