This comes up a lot recently. Only two have ever been graded, so clearly there isn’t much demand out there. I would say some low multiple of its raw value would be fair for the 10. 2x-5x maybe? Depending on what its raw value is.
www.elitefourum.com/t/thoughts-on-justification-of-price-for-pop-1-or-low-pop/17445/1
www.elitefourum.com/t/how-to-determine-psa-prices-on-low-pop-cards/16155/1