13th Biennial International Congress of Stomatology 170 ₤ — San Marino, 1979
13th Biennial International Congress of Stomatology (San Marino, 1979), face value 170 ₤. Photo, catalogue value, details and photo identification.
- Issue date
- 1979
- Face value
- 170 ₤
- Colors
- Multicolor
- Print run
- 650,000
- Yvert
- SM 981
- Michel
- SM 1187
- Stanley Gibbons
- SM 1114
- Scott
- SM 959