1.25 M dark green two block of ten at back, 2 M carmine red vertical pair on face postage stamps issue 1922 on registered letter from Brzezinka (BEFORE THAT. Birkental) to Ludwigslust, ZKr BRZEZINKA 6.10.1922, the German registered label Birkental (Kr. Katowice) was further used, transit postmark ZKr Wroclaw 7.10.1922 and arrival postmark ZKr LUDWIGSLUST 8.10.1922 both at back, unusual and scarce mass franking, date-appropriate traces of age and usage