cover Commercolly: 1825 (1 June) entire letter to Calcutta, the reverse with fine strike of the framed "COMMERCOLLY" datestamp (HG 1) completed in manuscript, red Calcutta c.d.s. and small framed "P.M." adjacent, also a piece showing another example of the datestamp and 1840 entire letter showing good to fine strike of the later framed "COMERCOLLY/Bearing." datestamp (HG 2); first item with faint trace of toning