Lot 31106 – 1851 (Sep 4) entire from San Fernando to Port of Spain with 1851-55 (1d) purple-brown left marginal tied by “2” type 0.1a cancel

1851 (Sep 4) entire from San Fernando to Port of Spain with 1851-55 (1d) purple-brown left marginal (just touched at top), tied by a good strike of the “2” (type 0.1a with large “2”) cancel, Trinidad double arc bs, unobtrusive cover tear in address panel, very rare, thought to be only three covers with the “2” type 0.1a cancel.