That's a hard one. The 140 is rare enough and I think (from ones I remember seeing) that there were a few different designs on the levercap over the years.
If you have an ebay account, you can create a custom search and then subscribe to the rss feed to that search. The search may turn up nothing for 30 days in a row, but on the 32nd day it may pop up with a hit. The nice thing about it being in an RSS reader, like google reader, is that you don't have to keep checking back, your reader will show it to you.
A forum community dedicated to professional woodworkers and enthusiasts. Come join the discussion about shop safety, wood, carpentry, lumber, finishing, tools, machinery, woodworking related topics, styles, scales, reviews, accessories, classifieds, and more!