Try Googling forage peanut, golden glory peanut, perennial peanut, amarillo peanut. Some 'golden glory's may not be pintoi, but check it out. Seeds seem to be available maybe in Hawaii and Australia. Maybe Brazil. Also search 'arachis pintoi' on GardenWeb for a few messages that may be of help. See link below.

Here is a link that might be useful: Arachis Pintoi

See below...

Here is a link that might be useful: Florida source