cover L.H. Wells' Moore's Flat and Eureka (Cal.) Express Paid frank (Haller FW6), printed frank in fancy frame on 3c Pink on white entire (U58) to Sacramento, Cal., mostly clear blue 'Wells, Fargo & Co., Nevada (City, Cal.)' express company oval h.s., light blue 'Graniteville, Cal.' c.d.s., slightly reduced at right clear of indicia, nearly very fine, very scarce used, possibly the very first Wells printed frank which was in use 1864-65, illustrated in Letters of Gold photo est.