Wuerttemberg, Kingdom, Digits in Sign-Changed Colors, 1890, Michel Nr. 208-212; The five nominals 3Pf, 5Pf, 25Pf, 50Pf and 1 Mark were issued in changed colors and in perforation 11.5:11.0.
Here are the 5Pf and 50-Pf mint never hinged stamps.
and here the 1 Mark stamp postally used. Signed „Infla“.
The set is known as imperforate trial prints. Here are mint never hinged trial print stamps in horizontal pairs.
Registration Nr. 00390
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