1870, 10¢ brown, vertical pair, tied by two bold strikes of cross-roads cancels on 1873 cover to Milan, Italy, matching sharp "San Francisco Cal Aug 27" double-circle cds, red New York Paid All Sep 1" exchange cds, various Italian backstamps including Milan (9.18) arrival cds. Scott Nos. 150  Estimate $200 - 300. $0 (Image)