100597 - 1870 ½D VERMILION EMBOSSED "USED" 100 YEARS LATER!

1870 ½D VERMILION EMBOSSED "USED" 100 YEARS LATER! Envelope with ½d vermilion embossed addressed to the well known Irish stamp collector F.E. Dixon in Dublin, embossed uncancelled but with 6p Eire alongside and cancelled BAILE ATHA CLIATH 1 X 70. Philatelic of course! (Ref 100597).