Help with ID

I don't vist here much but my so in law sent me a group of coins. I could use a little help on what this is. The date is pretty well worm but I think its 1919 I can make out the first and last 2 digts. 


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Comments
1919 Has 6 mint marks, from A-F, Krause lists them in "Fine" anywhere between 10-50 cents. Not much value, but plenty of History, I'm sure.
"You Suck Award" - February, 2015
Discoverer of 1919 Mercury Dime DDO - FS-101