1920 SG 20 and 20b, cat. SG ú220, one is very fine mint **. These are the actual stamps used to illustrate the genuine overprint type in the handbook by Grigoleit and Klempka, page 94 (Image)

1920 the listed variety BPITISH on three values, one with the correct top row sheet margin. Nice copies, total SG ú330 (Image)

1920 scarce second issue, set of eight stamps on a philatelic cover plus SG 19. Illustrated in the Grigoleit and Klempka handbook page 91. Vertical crease in the middle of the cover (Image)