Looking at a model 99A, s#B223,8xx in 250 svg. has tang safety, straight uncheckered stock with schnoble forearm and 20" barrel, gold lettering for model and address shown as Westchester Mass. Is D&T with weaver scope mts. I seem to recall that these were around 1971-1975? Price is $490 from owner. Unable to get pics but interested in probable DOM.