No Inv.: 1532/S/Perp/88/1c~4251-4255/Perp/86/5c~363/S/Perp/88/1c
No Inv.: 322-324/BLN/Perp/91/3c
No Inv.: 662-663/P/Perp/92/2c~1523/P/Perp/92/1c~68230-68232/S/00/3c
No Inv.: 2094/S/Perp/89/1c
No Inv.: 5323-5324/Perp/86/2c
No Inv.: 5501-5502/P/Perp/86/2c~2085-2094/Perp/85/10c
No Inv.: 399-400/BLN/Perp/91/2c
A Keesing`s reference publication
No Inv.: 2085/S/Perp/89/1c
No Inv.: 599/Pb/Perp/84/1c~710-711/P/Perp/92/2c