Lot 50964 – 1939 (Jun 5) Third Season of Summer service by Aer Lingus to Isle of Man, small collection of 2 covers and 2 letters

1939 (Jun 5) Third Season of Summer service by Aer Lingus to Isle of Man, small collection incl. cover with 2d Map tied by Dublin 5 VI 39 cds endorsed « per Aer Lingus » with certifying signature of Town Clerk, Corporation of Douglas, June 5/39; 4:30p.m (one of only 8 that were signed as received by the clerk according to the accompanying letter in this lot), plus cover returned to Ireland with GB franking on the Jun 6 return flight, and further letter from the Dept of Post & Telegraphs dated Feb 23rd 1939 saying that the service will probably operate but with no extra fee