1860s Germany to the U.S., two unpaid covers by different packets, 1860 from Mainz to Ithaca by Hapag Teutonia with perfect strike "N.York Hamb Pkt '15' Nov 17" debit exchange cds; and 1863 from Vienna, Austria to Boston, Mass. carried by NGL Hansa with "N.York Brem Pkt '15' Mar 31" debit exchange cds; some edge wear, Very Fine. Estimate  $200 - 300. $0 (Image)