Sweden 1973 Explorers
From Stamps of the World
- Issue Date : September 1973
- six values in a booklet pane
- Designed by : S Ehrén
- Engraved by: Czeslaw Slania
- Print process : recess
- Perforations : 12½ horizontal x imperf
- Stamp size:
- Michel Catalog Numbers : 810/14
- Print Run : 1,588,200 booklets
