[Completion of the Railroad, Nine Mile Gap Mail] San Francisco May 6 (1869) postmark on unpaid folded letter to Cognac, France, this letter would have transited by rail to Corinne, UT and then by Wells Fargo stage for 9 miles to the railhead at Indian Creek, UT to the eastern railhead, the rail link was completed on 10 May 1869 (this first through trip departed San Francisco Monday, May 8), letter departed New York on 15 May 1869 departure of French Packet Lafayette, French Line departure date postmark and French transit and arrival backstamps

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