Scabbard's not right, obviously aftermarket addon.
THAT is a killer 99T. My earliest 99T is right at 350,xxx, but I see no reason to think they couldn't have started a few months earlier.
“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