1861 (Jun. 5) New York N.Y. to Amsterdam, Holland, blue folded cover bearing 1¢ blue (24) and 10¢ green (35) pair tied by red NYFM circular grid cancels and "New-York Br. Pkt. Jun 5" exchange cds, carried as endorsed by Cunard Line Persia from New York Jun. 5th to Queenstown arriving Jun. 15th, red London (6.17.61) transit backstamp and "1/" shilling debit rating, red Amsterdam (6.19) arrival cds and manuscript "80" Dutch cents due rating, Very Fine. Estimate  $300 - 400. Even though this cover was prepaid 21¢ for American packet, it was actually sent by the 5¢ British open mail rate. The 21¢ postage was therefore a 16¢ overpayment and no credit was given for the overage. $0 (Image)