The 2022 United States Mint Silver Proof Set® contains 10 brilliant proof coins, each bearing the “S” mint mark of the United States Mint at San Francisco. Each set contains 1.473 troy ounces of fine silver and is accompanied by a certificate of authenticity. The 2022 Silver Proof Set features five 99.9% fine silver proof quarters from the American Women QuartersT Program honoring. The 2022 Silver Proof Set includes the following coins. Maya Angelou – celebrated writer, performer, and social activist. Sally Ride – physicist and first American woman in space. Wilma Mankiller – first woman to be principal chief of the Cherokee Nation. Nina Otero-Warren – a leader in New Mexico’s suffrage movement. Anna May Wong – first Chinese American woman to be a Hollywood film star, director, and producer.