Menampilkan: Denmark - Prangko (1910 - 1919) - 4 prangko.
3. Mei WM: 4 Ukuran kertas: 50 Desain: Gerhard Heilmann. Ukiran: H. H. Thiele, Copenhagen. Perforasi: 14 x 14½
![[Central Post Office in Copenhagen - Different Watermark, Tipe R1]](https://www.stampworld.com/media/catalogue/Denmark/Postage-stamps/R1-s.jpg)
17. Juli WM: Tiada Desain: Philip Christian Batz. Ukiran: H. H. Thiele, Copenhagen.
![[Royal Emblem Surcharged, Tipe U]](https://www.stampworld.com/media/catalogue/Denmark/Postage-stamps/U-s.jpg)
![[Royal Emblem Surcharged, Tipe V]](https://www.stampworld.com/media/catalogue/Denmark/Postage-stamps/V-s.jpg)
2. Agustus WM: 4 Ukuran kertas: 100 Desain: Christian Danielsen & Gerhard Heilmann. Ukiran: H. H. Thiele, Copenhagen. Perforasi: 14 x 14½
![[King Christian X, Tipe S8]](https://www.stampworld.com/media/catalogue/Denmark/Postage-stamps/S8-s.jpg)