1972 s rpm ?

[AstroRaider]

Is this an RPM, or something else?

http://www.lincolncentresource.net/forums/picture.php?albumid=245&pictureid=2954

[eaxtellcoin]

circulation damage. it doesn't appear to be an RPM...

[AstroRaider]

Doesn't it look like there's a D under the S ?

[mustbebob]

There's no D under the S. What makes you think there is?

[abe]

I guess if we use our imagination it could be an inverted D under the S:tongue:.
Me either...