eBay and PayPal are now two separate companies, although the bidding/payment integration remains, having his PayPal account suspended did not seem to affect his eBay activities as he is still listing. While it is inexplicable how he failed to respond to you, he has been the primary source of spare parts for Tamiya tanks for guys who aren't on the same landmass as the AAF Tank Museum, and it would be a shame to see him go down.