Belgium 1891 Telephone tete-beche interpaneau imperf proof pair 3f75 in blue & brown on ungummed paper
Belgium 1891 Telephone tete-beche interpaneau imperf proof pair 3f75 in blue & brown on ungummed paper
Belgium 1891 Telephone tete-beche interpaneau imperf proof pair 3f75 in blue & brown on ungummed paper