My database says:
Introduced 1967
Parentage: Climax x Konst 51 123
Raised in Netherlands by J P G Könst
Second Early
Dry Flesh
Old commercial favourite. Uniform tubers. Eat before Christmas.
Skin Colour - yellow
Shape - Long oval
Flesh Colour - light yellow
Eye depth - shallow
Yield - Heavy
Recommended uses: Bake, Boil, Chip, Mash, Roast
Resistant to Scab, slugs
Phil