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DaveHere's a picture of a normal Sharpe. It looks to me that your card has been marked. I'd guess that there was some paper loss on the R, and someone wrote on the card in an attempt to add the "leg" of the R.
It looks like the solvent in the ink ran, making the unusual shading around the R. I doubt it is the Shappe.
Edited: Having looked at these again, I'm not so sure. I'd hold your card at an angle and reflect a bright light off the surface near the R. This may tell if you have any paper loss.