An initial search returned these pages:
http://shop.ebay.com/?_from=R40&_npmv=3&_trksid=m570&_nkw=charities
Maybe we could sell our historic spark plugs, clothing, printed posters? This category, Collectibles>Historical Memorabilia might also work:
http://collectibles.shop.ebay.com/Historical-Memorabilia-/13877/i.html?_nkw=charities&_catref=1&_fln=1&_npmv=3&_trksid=p3286.c0.m282
Here’s the Google search results for Ebay Charities:
http://www.google.com/#sclient=psy&hl=en&q=ebay charities&aq=f&aqi=g1g-o1&aql;=&oq=ebay+charities&gs;_rfai=&pbx=1&fp=5f0ee030dde2e852&pf=p&pdl=3000
And here we have it, along with the terms: http://pages.ebay.com/help/sell/selling-nonprofit.html#create
Seems to be a standard type of listing with some differences in the billing. Glad the 503 isn’t brand-new, lol.