Given the first picture, I'm leaning towards it caught a teller's stamp at a bank or similar place.
Others may have a different opinion.
-MV
I'm slowly building my numismatic library--106 works and counting
With assistance, trying to compile a listing of numismatic reference books & materials available to collectors http://goccf.com/t/174749
With assistance, trying to compile a listing of numismatic reference books & materials available to collectors http://goccf.com/t/174749