Image #1
Lot #
509 | ** 
| Scott # 79b
| 1910-11, 10k gray blue, two blocks of 40 (10x4, bottom part of a sheet) or 20 (5x4, from lower left pane), first one has control No.2 at the bottom left and text "Cred. Tip. 1910" at lower right, the other one has control No.1 at lower left corner, first one has two diagonal folds, the other one with paper strengthened perforation at right, nevertheless fresh condition, full OG, NH, VF . |