The coat of arms of Austria

Austria
Fischer 31-32 | Österreich Michel 200 I - 200 II | Year of issue 1916

31	32
The coat of arms of Austria

The difference between Fischer 31 and Fischer 32 is the size of the stamp. Fischer 31 measures 25 x 30 mm and Fischer 32 is 26 x 29 mm.
The difference between Fischer 31/32 and Fischer 33/34 is the colour. Fischer 31 and 32 are dark blue, while Fischer 33 and 34 are pale blue.