Wood & Co.'s Express. Fancy printed frank showing Gold Miner at center on 3¢ entire to New York, endorsed via Overland at bottom left, exchanged with Wells, Fargo & Co. with blue "Wells, Fargo & Co./Oroville" handstamp and then postmarked "Union Pacific R.R." cds where it entered the mails, Very Fine and choice, this is the rarest of the Wood & Co. franks, about five known used and another four unused, Cover illustrated in Coburn's Letters of Gold (page 228). Estimate  $750 - 1,000. $0 (Image)