Auction 333-341 Nigeria, Cameroon, Sudan & Worldwide Postal History - Day 4

1866 (June 12): Cover from Baltimore to Rotterdam, franked with 1863 5 c. brown, tied by four-ring target cancel, Baltimore cds alongside, red "NEW-YORK BR PKT" cds (13 Jun), month inverted, endorsed "per Steamer Persia via New York", manuscript due markings indicate 55 cents due, backstamped London (23 Jun) in blue, next-day Rotterdam receiver, a few small spots at top, fresh and fine.