I found this yesterday at a yard sale. 2 Whitman book 1940-58 $6.00 for both books & I found a few more RPM & DDO in the wheat set I will be posting also. and PCGS grade 1944-D war nickle for $9.00 Is the a 52-D D/S OMM#1? if it I can see an S peaking out under the D. but there is something across the D maybe D/D?
The depression tot he west of the mintmark is the beginning of a die chip. The upper serif on that mintmark is very slightly doubled, so it's a 'too minor to list' D/D RPM. But as for it being a D/S - not even close.