T PD/18" in pale sepia with part date and rate in ms. (HG 1). Photo" /> cover Ferreedpore: 1830 (5 Dec.) entire letter to Commercolly showing a good strike of the rare octagonal "FERREEDPORE/P<V>T P<V>D/18" in pale sepia with part date and rate in ms. (HG 1). Photo | Christie's