Blank (playing card) Blank (playing card) A blank is playing card in card-point games that is a non-counter or is worth nothing. The names of the non-counters varies from region to region and game to game. In Poker they are blanks, bricks or bombs. In the German games of Schafkopf, Doppelkopf, Sixty-six and Skat, the 7s, 8s and 9s in all card suits are "Luschen". In the popular Swiss game of Jass the "Luschen" are the 6s, 7s, 8s and 9s; unlike Skat, however, the 9 of trumps, "Nell", is worth 14 points and is thus an exception; it ranks in the hierarchy
Ten of diamonds decahedron Ten of diamonds decahedron In geometry, the ten-of-diamonds decahedron is a space-filling polyhedron with 10 faces, 2 opposite rhombi with orthogonal major axes, connected by 8 identical isosceles triangle faces. Michael Goldberg references it by the playing card name, "ten-of-diamonds", as a 10-faced polyhedron with two opposite rhombic (diamond-shaped) faces. He catalogued it in a 1982 paper as 10-II, the second in a list of 26 known space-filling decahedra. If the space-filling polyhedron is placed in a 3-D coordinate grid, the coordinates for the 8 vertices can be given as: (0, ±2, −1), (±2, 0, 1), (±1, 0, −1), (0,