Dobbm or Tappen is a card game played in the Stubai valley in Austria and is one of a family of games derived from the Tarot game of Grosstarock by adapting its rules to a regular, shortened pack of 3
Hearts: the permanent trump suit (but X is the second-highest trump)
The Unter, formerly Untermann, nicknamed the Wenzel, Wenz or Bauer, and also called the Under, is the court card in German and Swiss-suited playing cards that corresponds to the Jack in French packs.
The four Unters in a German pack of cards (Bavarian pattern, Stralsund type)
An Under of Acorns in a Swiss German pack, c. 1850, with the acorn near the bottom