The Paper, Gum, Design Sizes & Perforations Of The BABN Period - 1930-1934

Value/Issue	Paper/Gum Type	Perf/Spacing On Coils	Design Size
4c Yellow Bistre	BABN-B	10.8 x 10.8	18.25 x 21.75 mm
5c Milky Violet (flat)	BABN-B	10.8 x 10.8	18.25 x 22 mm
5c Milky Violet (rotary)	BABN-E	11 x 10.9	18 x 22 mm
5c Blue	BABN-B	10.75 x 10.8	18.25 x 22 mm
10c Greyish Olive Green	BABN-B	10.8 x 10.9	18 x 21.75 mm
20c Dull Vermilion	BABN-F	10.8 x 10.75	34.75 x 23.5 mm
2c Dull Yellow Green Arch Coil	BABN-A	8.75 vertically, 1.75 mm spacing	18.5 x 21.7mm
3c Scarlet Arch Coil	BABN-A	8.75 vertically, 2.0 mm spacing	18.5 x 21.5mm
3c Scarlet Ottawa Conference	BABN-G	11.1 x 10.9	17.75 x 22mm
5c Dull Blue Ottawa Conference	BABN-H, BABN-D	10.8 x 10.8	17.8 x 21.8 mm
13c Bluish Milky Violet Citadel	BABN-I	10.75 x 10.85	34.8 x 23.5 mm
1c Dull Violet 2nd Postage Due	BABN-C	10.9 x 10.85	21.7 x 18.5 mm
2c Milky Violet 2nd Postage Due	BABN-D	10.9 x 10.85	21.75 x 18.25 mm
5c Milky Violet 2nd Postage Due	BABN-D	10.9 x 10.8	21.7 x 18.5 mm
4c Milky Violet 3rd Postage Due	BABN-B	10.8	21.75 x 18.5 mm

 

This table is an work in progress that will expand as I examine more stamps of these issues.