On eBay. All items $1 plus shipping.
Warpstock 2001 (Toronto) T-Shirt size M
https://www.ebay.com/itm/327360799701
This is a t-shirt from the Warpstock 2001 computer conference. Stan would buy high quality customized t-shirts. When he died, no more t-shirts were produced for Warpstock. These vintage t-shirts are unique. If you love Warpstock, you will love this shirt.
Warpstock 2004 (Denver) Fleece Vest size M
https://www.ebay.com/itm/327360839906
Warpstock 2004 Denver Vest. Stan would have high-quality custom clothing made for Warpstock. After he died, no more clothing was manufactured. If you love Warpstock, you will love this vest.
Warpstock Corporation - Forum
http://www.warpstock.org/forum/viewtopic.php?showtopic=668