2 Fr. Colour error \"dark violet brown\" in a horizontal pair with Normal colour \"dark lilac brown\", unused without gum - as issued, expertized Calves, photo expertize Gerhard Krischke: \"the condition is perfect\" and expertise Lothar Herbst VP (2023) : \"the condition is perfect, because the light tint of the on face stamp paper in the broad-mindedness lies, because give or take most stamps typical shading show, by which coloured wood-containing war stamps paper the besides very light-sensitive is. To 30 years marketing research are me no 30 piece have become known so far. \"