The Burrus Collection sales, set of 26 auction parts including Balasse sales 1-3 (Europe), Grobe Hannover (Helgoland), Harmer, Rooke & Co. (United States), H.R. Harmer (Hawaii), and Robson Lowe sale nos. 2208-2217, 2249-2255, 2310-2311, 2335-2338, 2348-2349, 2380-2385, 2404-2446, 2407-2416, 2426-2427, 2432-33 (damaged) and 2488-2495, condition fine/very fine (all separate, mainly with (copies of) results leaflets. Obligatory reference catalogues for reference study in philately! In addition several catalogues of the Uncommon Market Sales
