Two Icelandic airmail covers combining domestic and overseas destinations, with contrasting frankings and postal markings. Upper cover: Reykjavík to Lexington, Massachusetts, USA, 3 August 1937. Addressed to Mr Percy C. Smith and franked with two pictorial airmail stamps: 10 aurar blue and 25 aurar violet, totalling 35 aurar. Reykjavík machine cancellation dated 3.VIII.37, incorporating the distinctive Happdrætti Háskólans University Lottery slogan. This cover is mounted on a collector’s card with a French-language description. The mounting card and its description are included in the lot. Lower cover: Reykjavík to Ísafjörður, 29 August 1928. Addressed to Jón Þ. Ólafsson, with a mixed franking of six stamps, including a green landscape design, portrait definitives, a 5-aur provisional surcharge, a pair of 1-eyrir stamps and a red 10-aur aeroplane-overprinted stamp. Reykjavík circular cancellations dated 29 August 1928 and a “Par avion / Loftleiðis” label complete the front. The lot consists of two covers, including the mounting card and description accompanying the 1937 cover. I can combine the shippings strictly following the Catawiki rules. IMPORTANT INFO: Following a recent change in international sector regulations, specifically Articles 18 and 19 of the Universal Postal Convention, starting from January 1, 2026, it will no longer be possible to send items (goods with or without commercial value) using International Registered and International Insured services, which will continue to be used exclusively for sending documents. It means that starting from January 1st, 2026, I will ship abroad only by "POSTE DELIVERY INTERNATIONAL