Auction Series 257-264 in Zurich Day 4

Coastal Ships - Borgå Area - Borgå Ånfartygs Aktiebolag 1896 (March): Colour changes for the newly taken over Company, lithographed Runeberg 25 penni blue and 50 p. red, perf. 11½, the 25 p. cancelled by oval "Ångaren / 26 JUL 98 / RUNEBERG" datestamp in violet, the 50 p. with upright strike dated '25 SEP 96' in violet. Small imperfections but scarce.
Catalogue 261: Stamp Issuing Steamship Companies