Wells Fargo & Co., San Francisco, Mar 17. Blue oval date stamp on 1864, 6¢ purple entire to Portsmouth, N.H., black company frank and "Union Pacific, R.R." cds and grid duplex, original 1869 S.F. Wells Fargo Office enclosure; cover staining and wear, Fine, a very scarce railroad and express usage combination. Scott No. U64  Estimate $150 - 200. $0 (Image)