About antique trader tools price guide the most valuable tool in your toolbox lacking the edge on tool information cut through the competition and hammer home deals like a pro with antique trader tools price guide featuring 700 color photos thousands of listings with current values market trends and collecting advice its the definitive reference on antique tools this book features . Cut through the competition and hammer home deals like a pro withantique trader tools price guide featuring 700 color photos thousands of listings with current values market trends and collecting advice its the definitive reference on antique tools. In the world of antique tool collecting this drafting set and patent model of louis c rodier holds the world record price for a tool it sold for 91000 at auction in 2004 the previous record for a tool was just 30000 at the time what makes this item unique is that it belonged to rodier himself the sets inventor the tool is unique . A price guide to antique tools fourth edition by herbert p kean is a comprehensive guide to antique tool values the prices provided in mr keans book are determined by factoring in sales of live and internet auctions private sales and general market trends