Watermark 2 Y
Horizontal Large Waffles

Watermark 2 X
Vertical Large Waffles

On 3 May 1921, Danzig issued this set of airmail stamps.  The 10 Mark value was issued on 15 May 1921.

The stamps are primarily found with a vertical large waffle watermark (2 X), but rarer horizontal watermarks (2 Y) exist of all values.

For similar values with different watermark and/or additional values, see MiNr 112-118 and MiNr 133-137.