Pretty hard to find since 1933 . . . I do have a stash of Silver Certificates.
Too late --
https://www.fool.com/investing/general/2015/05/18/what-is-a-silver-certificate-dollar-worth.aspx
The grocery store where I worked when I was 16 gave real silver dollars to customers who purchased over a certain amount. Some customers didn't want them, so I always offered them a real cash folding dollar bill in trade. I know that I gave my grandmother the 1888 coin that I got (her birth year), but I have no idea what happened to the rest.