Outer 1880 Stranraer to Dublin with 1880 1d Venetian Red letters LK tied by Stranraer 312 3-bar duplex cancel code A dated OC 9 80. Backstamp “H&K-PACT” dated OC 10 80, which is the stamp for the packet service by daily sea packet from Hollyhead to Kingston. Type 14/89 from SG Collect British Postmarks 9th Edition. A nice cover