(Placer) Wells Fargo & Co's. Express, Ophir, blue oval handstamp (Leutzinger type 1-18) on brown envelope with "Paid 6" in circle handstamp, to San Francisco, Cal., with original enclosure datelined "New Bedford (Mass.) August, 17th, 1852"; cover edge wear, otherwise Very Fine. Estimate  $200 - 300. $0 (Image)