1849 FIRST ISSUES ON COVER: 21 Aug 1849 EL from Bruges to Ostend bearing 10c brown shade SG 1 (used only 7½ weeks after issue) and 29 Dec. 1849 EL from Brussels to Thourout bearing 20c blue shade SG 2. Attractive pair, both stamps with 4 margins. (2 covers) (Image)