| GPSF Services- | On-LineAuction Services |
| Detailed Service | Internet Link |
| Live Auction Services | |
| Absolute Auction & Realty Plesant Valley Auction Hall(NY) | http://www.absoluteauctionrealty.com/ |
| Hyde Park Country Auctions(NY) | http://www.hpcountryauctions.com/ |
| Marc Stolfe Auction & Appraisal Services(NY) | http://www.mstolfe.com/ |
| Copake Auctions, Inc(NY) | http://www.copakeauction.com/ |
| George Cole Auctioneers(NY) | http://www.georgecoleauctions.com/ |
| Page Auctioneers(NY) (Buttons only) | http://www.pagebuttonauctions.com/ |
| Bontrager Auctioneers(NY) | http://www.members.tripod.com/creativesamplepage/bontragers/about.htm/ |
| William J. Jenack Auctioneers(NY) | http://www.jenack.com/ |
| Samuel J. Cottone Auctioneers(NY) | http://www.cottonauctions.com/ |
| Brzostek's Auctions | http://www.brzostek.com/ |
| Cyr Auctions(Maine) | http://www.cyrbid.com/ |
| On-Line Electronic Auctions/ Sales | |
| EBAY.COM Your Personal Trading Company | http://ebay.com/ |
| Live auctioneers | http://www.LiveAuctioneers.com/ |
| Ehammer.Com | http://www.ehammer.com/servlet/ehamIndexPage/ |
| Antique & Collector's Collector Online | http://www.collectoronline.com/ |
| Collector Auctions | http://www.collectorauctions.com/ |
| Go Mainline.Com | http://www.gomainline.com/ |
| Skybid.Com | http://www.skybid.com/ |
| BuySellBid.Com | http://www.buysellbid.com/ |
| Boxlot.Com | http://www.boxlot.com/ |
| Collectors Universe | http://www.collectorsuniverse.com/ |