Sweden, Airmail, 1920, 20ö on 2ö orange. Watermarked Crown, fresh color, o.g., very lightly hinged, Very Fine, attractive and rare - only 100 issued; with 1992 Obermüller Wilén certificate. Facit No. 137vm SKr 22,000 ($3,300). Scott No. C4  $2,250. $0 (Image)