via Calcutta and Portsmouth showing a fair to good strike of the very scarce double oval "SHEERGHOTTY/POST OFFICE" with date and rate P. Pd. 8" in ms. (HG 1). Photo" /> cover Sheerghotty: 1829 (24 Nov.) entire letter to Scotland<I> "per Bamburgh Castle"</I> via Calcutta and Portsmouth showing a fair to good strike of the very scarce double oval "SHEERGHOTTY/POST OFFICE" with date and rate<I> P. Pd. 8"</I> in ms. (HG 1). Photo | Christie's