1987D-1MM-003
Kind of looks like this picture from coppercoins.com
But yes, it was the mint mark in question. It's hard to get a good picture, as the light drowns out the extra mint mark.

Kind of looks like this picture from coppercoins.com
But yes, it was the mint mark in question. It's hard to get a good picture, as the light drowns out the extra mint mark.
























