336083 looks like it has the smaller barrel side stamp.

https://www.gunauction.com/buy/7418889



340796 has large barrel address and side stamp. No apostrophe.

https://www.gunsinternational.com/g...-takedown-made-1931.cfm?gun_id=101939263

“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