Lewis & Clark County Territorial Covers. 19 covers and cards; postmarks including Augusta, Canyon (City) octagon (type 2, 2 recorded), Dearborn, Florence (type 2), Gloster (type 1), Helena including stampless (type 1) and several Wells, Fargo & Co. express usages, Helmville (type 3), Marysville (types 2 & 4)), Mt. Pleasant manuscript, Mullen manuscript (1 recorded), Rimini, Silver City (type 1) and Wolf Creek registered; mostly readable strikes, generally F.-V.F. Estimate  $400 - 600. $0 (Image)