Thanks for that. In the meantime, this IHC is a 1300 from the 1960's:
http://www.imcdb.org/vehicle_179853-International-Harvester.html
I don't know an exact year, but it's a 1300 that could be from anywhere between 1961 and 1968.

I'll find more alleged unknowns eventually. Hopefully, other people will too.