1923 Pair of covers; one registered Dublin to Paris prepaid eight pence but with boxed NO FLIGHT / SENT BY / ORDINARY SERVICE, other cover prepaid ovpt. 1d and 4d (incl. two pence air fee) sent Dublin 26 MAR via London - Paris air service with imperf. P25 etiquette tied Dublin machine (Image)

1923 GB 5d envelope printed in green for Irish use, size G, used with Thom Saorstat 4d, sent airmail Dublin 24 SP to Cologne, via Instone Air Line service London-Cologne, some creasing, rare use. (Image)

1923 Cover Dublin 2 OC 23 to Warsaw, flown London to Berlin by Daimler Airways, Warsaw arrival 7X, franked 7d incl. ovpt. 1 1/2d and 5d, fine (Image)

1923 Cover Dublin 17 OC 23 to Hamburg by Daimler Airways, flown from London to Hamburg (arrival cds 19.10) with "Mit Luftpost" cachet, franked 7d incl. Thom Wide 1d block of 4 (Image)

1923 Daimler Airways London-Berlin Air Service, reg. cover Bray 23 OC 23 to Berlin, franked ovpt. 9d and Map 1 1/2d, Berlin arrival 26.10.23, last of this short-lived service (ended 26 October) (Image)

1923 Airmail cover Dublin 23 OC 23 to Zürich by London-Munich airmail, thence by Swiss Ad Astra airmail Munich-Zürich, franked sixpence incl. Thom Saorstat 1d (3), scarce (Image)

1923 Cover Dublin 26 NO to Paris with P.25 Air Mail label, weather disrupted flight from London and with boxed NO FLIGHT / SENT BY / ORDINARY SERVICE, fine (Image)

1927 Cover Dublin 7 MR to Uganda by first flight Cairo-Jinja, aircraft crashed on Khartown-Kisumu route and forwarded by surface mail, with red KENYA-SUDAN AIR MAIL cds, scuff to address panel, fine (Image)

1929 First Airmail Service in South Africa, Irish acceptance for Capetown-East London with mixed use of Sword 1/2d and GB KGV on British 1/2d envelope, POSTED AT SEA 5 AU 29 DUN LAOGHAIRE, East London arrival 26 AUG, fine (Image)

1929 Airmail cover Dublin 11 MAR 29 to California with 2d & 1/- SE definitives, prepaid on posting with US 5c airmail for "air mail from New York" and carried thus to Oakland, very unusual combination of the countries for air service (Image)

1930 Cover to Oregon with attempted dual prepayment for air within US, with Irish 1d & 2d cancelled DUBLIN - CORK TPO on the Railway P.O, US 15c tied New York cds DEC 3, Portland arrival DEC 5, with violet FEE CLAIMED, cover with air mail etiquette partly torn off (possibly in mail bag) also with 1930 Dublin Horse Show vignette used as a seal, unusual (Image)

1931 Imperial Airways England-East Africa Service, Air ministry leaflet sent as printed matter Dublin 26 FE, from London - Mwanza (arrival 10 MR), fine (Image)

1931 Imperial Airways England-Africa Service, flown cover Dublin 27 II 31 via London-Wadi Halfa airmail, with overprint franking, one of 15 Irish acceptances for Wadi Halfa (Image)

1931 Imperial Airways England-Africa Service, flown cover Dublin 27 II 31 via LONDON-ASSIUT-LUXOR (arrival 6 MR 31), with overprint franking, one of 15 Irish acceptances for Luxor (Image)

1932 Ottawa Conference accelerated service by "Empress of Britain" and Airmail Southampton - Cherbourg plus seaplane Belle Isle - Ottawa, cover Dublin 11 JY to Ottawa (arrival JUL 18) with definitives and overprints, fine (Image)

1938 Second Season of Summer Service by Aer Lingus to Isle of Man, last flight cover Dublin 19 Sept to Douglas, with cachet of Town Clerk and signed "Received 20th September 1938", stamp damaged, rare (Image)

1943-44 Irish Red Cross Society air mail message forms (2), first from Wicklow to Guernsey (during German Occupation), second Dublin to France, each with appropriate Irish, Geneva, German and receiving Red Cross markings (Image)