1848, First issue 10 + 1 k. black envelope cancelled by pen and adjacent double line "...7.AUGUST 1851" on reverse, addressed to Libau, Courland, tiny spots, otherwise fine, rare (Image)

1991/1996, 50 complete year sets in folders. 1991/1993 in one folder, 1994/1996 each year in one folder. In total 50 year set. Catalogue value 11.175 €.

1991/1996, 75 complete year sets in folders. 1991/1993 in one folder, 1994/1996 each year in one folder. In total 50 year set. Catalogue value 16.760 €.