Question: What is the largest coin in the us?
Answer: $1 ASE Bullion
Disambiguated annotations:
qaPairs: question: What is the largest coin ever minted in the us?
answer: Half union
gold "Half Union" pattern in 1877
1877 pattern half union
question: What is the largest coin ever issued in the us?
answer: octagonal $50 piece
Panama-Pacific Exposition $50 gold commemorative