1860 (Sep. 24) Smyrna, Turkey to Savannah Ga., forwarded to Cartersville Ga., blue cover with Austrian Post Office "Smirne 24/9" cds, sent to Trieste aboard an Austrian Lloyd steamship where blue crayon "20 / 65" accounting Austrian new kreuzer, blue "6" Sgr debit handstamp and equivalent manuscript "15" cent debit, carried by Hapag Line Borussia from Hamburg Oct. 1st to New York arriving Oct. 18th, black "New.York, Am. Packet, Oct 18" exchange cds and manuscript "40" due rating, forwarded with "Savannah Geo Oct 21" cds and matching "Forwarded" straightline with "3" cent rating totaled to "43" cents, Very Fine, a scarce forwarded transatlantic use from the Austrian Post Office in Smyrna, Turkey. Estimate  $300 - 400. Under the U.S.-Prussian Closed Mail convention of 1852, the rate established for unpaid letters sent from the Austrian Levant to the U.S. was 40¢ per ½ ounce. This amount was a combination of the 15¢ (6 Sgr) per ½ ounce fee to the German-Austrian Postal Union, plus the 25¢ cents per ½ oz. for the combined Belgian transit fee, transatlantic service and U.S. internal postage. Note that the "20/65" accounting in new kreuzer represents the 40¢ total postage due wherein the "20" new kreuzer (10¢) corresponds to the Austrian Lloyd fee from Smyrna to Triest, and the "65" new kreuzer (30¢) to the Prussian Closed mail rate. $0 (Image)