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	0.10	Orange. With watermark type 3 (crown) - vm3. The colour changes in different variations of orange from darker to lighter, with a more or less clear colour and with different elements of redish or yellow in the orange.
	vm4	0.10	Orange. With watermark type 4 (crosses) - vm4. The colour changes in different variations of orange from darker to lighter and with a more or less clear colour. Stamps with vm4 was issued in 1914.