German Empire Rhombus Watermark

Germany · 1905 · Not applicable

This entry describes the distinctive 'Rauten' (rhombus) watermark found on various postage stamps issued by the German Empire. This security feature was incorporated into the paper to prevent counterfeiting and identify genuine issues.

Introduced around 1905, the rhombus watermark was a key security measure during the final years of the German Empire, reflecting advancements in stamp production and efforts to maintain postal integrity.