Frimindeks 2010: The web catalogue for stamps from Denmark and Greenland

The serie: Numeral or in Danish: Bølgelinie.

Illustration	Type watermark	Price/pris (Euro) C = less than 0.10 Euro	Note
	vm3 perf.: 12.75	0.10	Red. With watermark type 3 (crown) - vm3. The colour changes in different variations of red from darker to lighter and with a more or less clear colour.
	vm4 perf.: 14*14.5 type 1	C	Red. With watermark type 4 (crosses) - vm4. The colour changes in different variations of red from darker to lighter and with a more or less clear colour. Stamps with vm4 was issued in 1914. The drawing of this issue was changed a little in 1927 - see below type 2
	vm3 perf.: 14*14.5 type 1	1.75	Red. As the type 1 above but from 1917 issued on paper with the old watermark vm3 and the new perforation: 14*14.5
	vm4 perf.: 14*14.5 type 2	0.50	Red. As the type 1 from 1914 but with a little different drawing. Type 2 has a soft cut corner on the bottom to the left of the big 2 figure (type 1 is sharp) and on type 2 the E in the right ØRE is cut down.