8'th classicphil Auction - Day 1

1937, (3 kr), violet, with black SILVERJUBILEET 1937/2 opt, MNH, very well to perfectly centred, the finest unused copy of 8 known, a great rarity for the airmail collector, a fresh and magnificent showpiece, cert Obermüller-Wilen, XF-SUP! Schätzpreis 18.000€.