Sweden. **/*. Specialized collection coil stamps in units F 139–55 with different papers, watermarks and shades incl. 80 strips-of-five and 21 blocks-of-four + others. E.g. 142Ea in * strip-of-three, 144Ccxz in ** pair, two ** 144Acz etc. Please see a selection of scans at www.philea.se.