The reference that coop made re: the 1928 large S : small S on page 70 of Daughtrey's book must be a different version that mine. I have the second ed., and the graphic is located on p.101. This is just an FYI
Most of this is all new to me. I didn't know so many large/small dates and mint marks were out there. Like most important distinctions, this has probably been discussed in earlier threads but I'm glad this one has come back or I'd have missed this tidbit entirely.

























