AV 8 I Slot machine booklet #1681 kv1

AV 8 with one pane: T ( / ) + 0,10 (green) + 0,20 (red) + 0,20 (red) + 0,50 (lilac).
Coat of arms lion type II m63 booklets.
Batch number 1681.
T = empty, perforated stamp square with coloured oblique line printed.
kv1 = Thicker or thinner oblique line ( / ) on the empty stamp square T.