Verb (used with object) : to vend flowers at a sidewalk stand.    From Dictionary.com. 

A service mark identifies you as a provider of specific services rather than of vendable articles.    From Wordnik.com.  [VERBATIM: The Language Quarterly Vol XVI No 1] Reference

Jollife, — ffayle not to send the shipp Rebecka Victualled for three monthes to Virginea to Mr. Thomas Steggs, with some commoditty such as you shall vnder - stand to be there most vendable ffor vallewe of 120/. or.    From Wordnik.com.  [Collections of the Massachusetts Historical Society] Reference

And the purpose is in its nature mischievous; it is one which strikes at the value of a vendable article in the market, and if it gives a fictitious value, by means of false rumours, it is a fraud on all who may by possibility have to do with that article; it is a fraud on all the public who may have to do with the funds on the day to which the conspiracy applies.    From Wordnik.com.  [The Trial of Charles Random de Berenger, Sir Thomas Cochrane, commonly called Lord Cochrane, the Hon. Andrew Cochrane Johnstone, Richard Gathorne Butt, Ralph Sandom, Alexander M'Rae, John Peter Holloway, and Henry Lyte for A Conspiracy In the Court of King's Bench, Guildhall, on Wednesday the 8th, and Thursday the 9th of June, 1814] Reference

3s. 4d. of former Times; and even this is further reduced, by obliging him to take one half in Shop Goods at 25 per Cent. or more Advance above the Money Price: this Iniquity still grows, by reducing the Goods Part to the least vendable; the Shopkeeper refusing to let them have Provisions, West India goods, or Goods of Great.    From Wordnik.com.  [A Discourse Concerning the Currencies of the British Plantations in America] Reference

The 5 free listings is actually a fee increase (as noted above) … Vendio actually has a blog post on exactly this … http://www. vendio.com/vendable/2009/06/16/ebay-selling-tip-list-5-free-not-a-good-option-for-all/.    From Wordnik.com.  [Citigroup: eBay Still Has Plenty to Prove] Reference

Town House A. 1712 was built at this Rate; whereas at present A. 1739. from the bad influence of Paper Money Silver being 29s. per Oz. he has only 12 s. a Day, equal only to 3s. 4d. of former Times; and even this is further reduced, by obliging him to take one half in Shop Goods at 25 per Cent. or more Advance above the Money Price: this Iniquity still grows, by reducing the Goods Part to the least vendable; the Shopkeeper refusing to let them have Provisions, West India goods, or Goods of Great Britain that are in Demand.    From Wordnik.com.  [A Discourse Concerning the Currencies of the British Plantations in America] Reference