Following the Japanese capture of Kiautschou in 1914, over 4,600 German POWs were transported to Japan for internment. Altogether, there were six camps: Aonogahara, Kurume, Nagoya, Narashino, Ninoshima and Bandō.
The 1917/1919 Yacht Postal Stationery are similar to other Yacht designs, but feature a vertical line down the middle of the card, with text centered on the vertical line.
In 1900, Kiautschou began using postal stationery of the standard design depicting Kaiser Wilhelm II’s yacht, the Hohenzollern II.
Because of the large naval presence in Tsingtau, however, it was common for naval personnel to post the cards at the post office in Tsingtau. This created an unusual situation with MSP cards were canceled with non-MSP cancels.
Beginning in 1905, Germany began phasing in the use of watermarked paper on its new issues. This practice led to the introduction of new Yacht issues which were similar to the 1905 issues, but featured a lozenge-shaped watermark.
In 1905, Kiautschou issued this set of Yacht issues switching from Pfennig/Mark currencies to Cents/Dollars.