2k in typical slightly bluish dark green shade of this printing tied to cover in combination with 1866 1k black on yellow by LIBAVA 22.6.84 cds to Prague, fine and scarce combination (Image)

1884 Registered cover to Denmark franked 14k bearing ST.PETERBURG 14.2.84 cds alongside boxed registration cachet in scarce blue (apparently only a few known) + another 1883 cover to Italy franked 7k (2) bearing same but in the usual red colour, unusual cover pair (Image)

3R50 & 7R on vertically laid paper, used, cert. Diena, 3R50 also signed Thier & Pfenninger, Mi € 1800, Standard € 1030 (Image)