(numismatics) Silver American quarters, dimes, and half dollars, minted prior to 1965.
2020 April 10, philographer, “When Did The Term "Constitutional Silver" Come About?”, in Collectors Universe Message Boards:
Have started hearing the term "Constitutional Silver" or "Constitutional Gold" for pre-64 silver and pre-33 gold.
2021 January 16, The Eidolon, “What is “Constitutional Silver”?”, in CoinTalk:
Hmmm... I've searched around a little bit, and it seems like "constitutional silver" is just a marketing term.
2024 April 20, Street_Marsupial9809, “Thoughts on purchasing junk constitutional silver?”, in Reddit:
2024 May 29, Jesse Colombo (@TheBubbleBubble), Twitter:
Yes - that's what you see in the picture, but I prefer the term "constitutional silver" because the real "junk" is actually the non-silver coins that replaced the silver coins.