Wells Fargo & Co., San Ardo, Cal. (Monterey). Purple oval handstamp (Leutzinger type 10-1) on 1887 2¢ green entire to Colusa, Cal., black Haller type J printed frank; few vertical file folds and minor edge wear, F.-V.F., very rare, this being the only on cover strike known, ex Leutzinger. Estimate  $300 - 400. $0 (Image)