Identification of 1946 S Roosevelt FS-502 RPM

I believe I have one of these due to the mintmark.

However...the mintmark is the only match I can make. There is no other doubling on the coin as identified by other pictures I've found, primarily in the word STATES.

Is this due to perhaps a late die state washing out the doubling? Can any Roosevelt variety collectors comment on this?

However...the mintmark is the only match I can make. There is no other doubling on the coin as identified by other pictures I've found, primarily in the word STATES.

Is this due to perhaps a late die state washing out the doubling? Can any Roosevelt variety collectors comment on this?
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I was just looking at a group of toned dimes on a whim, and this one came up. Thanks for your help.
One of my luckier hits on grades. Despite a real small rub/ding, it does have full bands in hand - not the strongest bands, but I would definitely consider them so. I can now actually see the doubling on UNITED STATES with the large version picture.