Prior to the reintroduction of the previous Neu-Guinea-Zweiglinie cancellers, the steamer Willehad used provisional cancels on mail carried on the route.

Catalog:

• Friedemann Unlisted
• ArGe Kolonien D. WILLEHAD NDL BREMEN

Period of Use on this Ship:

• 29 January 1905 to 27 April 1905

Notes:

• Blue or black ink

Prior to the reintroduction of the previous Neu-Guinea-Zweiglinie cancellers, the steamer Willehad used provisional cancels on mail carried on the route.

Catalog:

• Friedemann Unlisted
• ArGe Kolonien Reichspostdampfer “WILLEHAD”

Period of Use on this Ship:

• 29 January 1905 to 27 April 1905

Notes:

• Blue ink

In 1905, the previously retired “a” and “b” cancellers were reintroduced for use.

Catalog:

• Friedemann SP 1 I a / SP 5 a
• ArGe Kolonien DEUTSCHE SEEPOST NEU-GUINEA-ZWEIGLINIE a

Period of Use on this Ship:

• June 1905 to 5 December 1906

Period of Use on this Ship:

• 21 December 1906 to 11 August 1909

Period of Use on this Ship:

• 13 August 1909 to 18 August 1914

Notes:

• Violet ink in 1911, 1913, 1914

In 1905, the previously retired “a” and “b” cancellers were reintroduced for use.

Catalog:

• Friedemann SP 1 I b / SP 5 b
• ArGe Kolonien DEUTSCHE SEEPOST NEU-GUINEA-ZWEIGLINIE b

Period of Use on this Ship:

• 3 February 1905 to October 1907

Period of Use on this Ship:

• 8 May 1908 to 3 August 1914

In 1905, a new cancel with a slightly different design and letter “c” was introduced.

Catalog:

• Friedemann SP 5 c
• ArGe Kolonien DEUTSCHE SEEPOST NEU-GUINEA-ZWEIGLINIE c

Period of Use on this Ship:

• April 1905 to 22 March 1907

Notes:

• Provisional year date “06” in 1906

Period of Use on this Ship:

• 10 April 1907 to 30 July 1914

Notes:

• Violet ink, 1911-1913