rated "3/2" and showing a good to fine strike of the scarce double circle "CALCUTTA/181/POST.NOT.PAID" with rest of date in ms. (HG SD6), also showing step-type "INDIA LETTER/PORTSMOUTH"" /> cover Calcutta: 1818 (7 Aug.) entire<I> "By the Ocean"</I> rated<I> "3/2"</I> and showing a good to fine strike of the scarce double circle "CALCUTTA/181/POST.NOT.PAID" with rest of date in ms. (HG SD6), also showing step-type<I> "INDIA LETTER</I>/PORTSMOUTH" | Christie's