Visar nu: Danmark - Postfrimärken (1910 - 1919) - 4 frimärken.
3. maj WM: 4 storlek på arket: 50 Design: Gerhard Heilmann. Gravyr: H. H. Thiele, Copenhagen. Perforering: 14 x 14½
![[Central Post Office in Copenhagen - Different Watermark, Typ R1]](https://www.stampworld.com/media/catalogue/Denmark/Postage-stamps/R1-s.jpg)
17. juli WM: Inga Design: Philip Christian Batz. Gravyr: H. H. Thiele, Copenhagen.
![[Royal Emblem Surcharged, Typ U]](https://www.stampworld.com/media/catalogue/Denmark/Postage-stamps/U-s.jpg)
![[Royal Emblem Surcharged, Typ V]](https://www.stampworld.com/media/catalogue/Denmark/Postage-stamps/V-s.jpg)
2. augusti WM: 4 storlek på arket: 100 Design: Christian Danielsen & Gerhard Heilmann. Gravyr: H. H. Thiele, Copenhagen. Perforering: 14 x 14½
![[King Christian X, Typ S8]](https://www.stampworld.com/media/catalogue/Denmark/Postage-stamps/S8-s.jpg)