A10 used KINGSTOWN, St. Vincent postmark on TRINIDAD stamp (PML.4), struck firmly on arrival as a "killer" due the indistinct TRINIDAD dbl-arc blending into the background of the Trinidad 1872 4d grey P.12½ (SG.71), tiny pin-hole. Exceedingly rare as this combination would not normally happen, let alone survive, almost certainly unique. £85
GRENADA postmark/cancel Head Office cds dated MY 24 92 on QV 2½d (SG.32) overstruck TRINIDAD C/MY 25 (92) on arrival. £14
A11 used CASTRIES, St. Lucia postmark on TRINIDAD stamp arrival on Britannia 4d (SG.70b) very lightly pmk'd Trinidad DE 20 1870 dbl-arc, extremely rare as such. £42