Germany, Third Reich. A Mixed Lot Of Stick Pins Auction which explains the post-war dates

which explains the post-war dates and lack of swastikas on the award certificates

The award in question is most likely the Oak Leaves to the Knight’s Cross

with EIRE (Ireland) and the inscription "Cogadh na Saoirse" (The Fight for Freedom) below

escorted by Macdonough's gunboats

Germany, Third Reich. A Mixed Lot Of Stick Pins Auction which explains the post-war dates(Anstecknadeln). A mixed lot of six stick pins, including a First World War veterans pin featuring three decorations, including the 1914 Iron Cross in both II and I Classes, along with a Black Grade Wound Badge, constructed of bronze, unmarked, measuring 20 mm (w) x 10 mm (h), in near extremely fine condition; a Luftwaffe auxiliary pin, constructed of silvered bronze, unmarked, measuring 30 mm (w) x 21 mm (h), in near extremely fine condition; a