If I had one of those fob stamps I'd be serving Savage Cookies that look like fobs.
Looks like it says:
SAVAGE 99'S - 1899'S - 1895'S ANY CONDITION OR PARTS
“The Savage 99 Pocket Reference”. All models and variations of 1895’s, 1899’s and 99’s covered. Also dates, checkering, engraving.. Find at www.savagelevers.com