NORWAY – Stark, Erling: Norsk Luftpost 1911–1977 (1978), 158 + 4 pages, softcover; PLUS: Anderssen, Justus: Norsk Luftpost 1920–1937 (1938), 53 pages, hardcover with gold title imprint on spine; PLUS: S. Bayèr: Air Mail Transpolar Flight by the Dirigible “Norge” (1926), 12 pages, stapled (this is a bit rusty); PLUS: Aune, Finn / Hansen, Sven Arne: Price Catalogue Norwegian Air Mail 1870–2020 (2021), 304 pages, hardcover; good condition. Estimate: 100 Euro
