I don't have 497 in my database have 496 as Sausman also. Have 499 as Larry Murphy Chevrolet.
I'll see what I can find for Sausman ads and address changes.
Ads I see for them in 1964 placed them at 717 Market, an ad for 1969 had the same address
See below, Maybe he can help?
https://carlisleevents.com/about-car...aspx?staffid=4
Paul