Welcome to the forum, Axenolith. $100 was a steal for that package. List price back in the 60's for rotary 284's was $133 or higher (depending on year). They sell for a bit more nowadays..
“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