A.J. Oliver & Co.'s, Bannock and Salt Lake Express. Faint strike at top left of oval handstamp on target cancelled 3¢ pink entire to Denver, Col. Ter., carried from Bannack City and then down to Salt Lake City with "T.D. Brown, Agent, G. S.L. City" handstamp applied upon arrival, Brown placing cover into the mails with "Salt Lake City, Apr. 5, 64" double circle target duplex, entire additionally with blue "Denver City. Col.Advertised" double circle postmark, with edge wear, Fine and rare. Estimate  $500 - 750. $0 (Image)