https://catalog.usmint.gov/morgan-and-peace-dollar-2023-two-coin-reverse-proof-set-subscription-NL.html?cgid=product-enrollments-morgan-peace-silver-dollars
https://www.coinworld.com/news/us-coins/2023-silver-dollar-enrollments-rising-but-plenty-remain
https://www.coinnews.net/2022/07/18/2023-morgan-and-peace-dollar-enrollments-open/
https://www.coinworld.com/news/us-coins/details-revealed-for-2023-morgan-peace-dollars
https://thecoinvault.com/product/22286/us-mint-opens-enrollment-for-2023-morgan-peace-dollars
https://www.money.org/collector/mike-b-_7249/blog/2023-morgan-39-s-and-peace-dollars