Mead & Clarke Letter Express, complete oval handstamp (MEC-100) on 1861, 3¢ pink entire to San Francisco, indicia canceled by blue "Wells, Fargo & Co., Havilah, Jun 7" date stamp, Very Fine. Scott No. U58  Estimate $1,500 - 2,000. THE FINER OF TWO KNOWN USAGES OF THE MEAD & CLARKE HANDSTAMP. This entire was received by Wells, Fargo & Co. at Havilah with Mead & Clark transporting it between that location and Visalia where envelope was given back to Wells Fargo for transportation to San Francisco. $0 (Image)