Lum's Apple Seed?

[Lycosa]

Would someone describe the Lum apple seed grind to me? Thanks.

 

[TedV]

It's similair to a convex grind. Like on an apple seed, the edge is curved. There is no visible transition from the spine to the final edge.
This link http://home.nycap.rr.com/sosak/convex.htm explains convex grinds.

 

[Lycosa]

Thanks, TedV!!