PL.65 (HG) (SG40) USED ON COVER IN IRELAND. 1861 envelope used locally in Dublin with a fine to very fine used example lettered HG tied Dublin duplex SE 30 1861 with part datestamp cancelling stamp. Latter shows "LOWER SERIFS OF H MEET". Backstamped MONKSTOWN SE 30 61. A very rare Irish usage. (Ref 83995).