3 Sgr. Yellow orange, smooth ground, having bright colors and having full margins outstanding quality, clear tied by scarce box cancel of 2 lines "WOLLSTEIN 4 4 * 11-12" (government Bez. Posen) on piece, expertized Drahn, Kruschel, Schwenn and photo expertize Brettl International Association for Philatelie Experts (2013) : "in having bright colors, perfect condition. The stamp "WOLLSTEIN" is rare. "