Tampa, Flor., Dec 18. Full cds with matching straight line "Free" handstamp (type IVa) on 1849 folded letter to Paymaster General in Washington D.C., endorsed "On Official Business", letter datelined from "Fort Myakka, E Fla"; cover file folds with one affecting postmark, F.-V.F. Estimate  $100 - 150. $0 (Image)