Complete set 5 Rappen to 20 Rappen 1857 Seated Helvetia, so-called Strubel, 3rd printing, Bern impression with green silk thread on thin paper, typical dull colours, neat federal lozenges or circular cancellations, very fresh colour for thin-paper issue, fine examples, very good wide to full margins, expertised, each with J.-C. Marchand or Berra-Gautschy photo certificate, Zumstein 3.300.- CHF (Zumstein nos. 22F-27F)