Sweden. Collection/accumulation ★★/★/⊙ 1939–65 on leaves. The "Three Crowns" series. MNH/mint stamps with the different editions/printing identified and described for most of the denominations (50 öre - 3 Kr) Also a description of the varieties on F 286 (60 öre). An impressive research material. Please see a selection of scans at www.philea.se. Fine quality. (>300)