Latta's Mountain Express/Paid. Illustrated frank with small horse drawn stage at left & right on 3¢ Entire to San Francisco with "Washington, Cal." cds & transferred to Wells, Fargo & Co. with blue "Nevada" oval company handstamp, flap missing & couple small sealed edge tears, Very Fine and attractive, this is one of two known examples, Cover illustrated in Coburn's Letters of Gold (page 201) and in Nathan's Franks of Western Expresses. Estimate  $750 - 1,000. $0 (Image)