NOS/Mint Used 14" 60 Series Goodyear Polyglas Tires

I am looking for a pair of NOS or mint/slightly used Goodyear Polyglas 60 series 14" tires. Either G60-14/H60-14/L60-14. I would pay up to 500.00 per tire for NOS ones. Let me know what you might have. Thanks FABO !!