Newbie here. I've got a chance to pickup a nice Vendo 44.  It is complete and everything works.  The paint isn't that good and there are a few small dents, but there is no rust.  The owner will not set a price and told me to just make her an offer.  I saw a similar 44 sell on ebay recently for $1500 with only 1 bid.  I know you can't give great estimates without pictures, but please give me your thoughts.

Heres one on the local CL - original paint etc. asking $3750
http://vancouver.en.craigslist.ca/clt/743145324.html

Gotta love those people... "just make and offer" Ok 10 dollars! theres and offer.
They obviously have a price in mind, why can't they just tell you...
If the seller knows stuff about the machine and has some information on machines, then he/she must know a value.. but if it's just some old lady who has it in her garage.. shw might be very happy to get 500-1000 for it ?

Start low and see what happens... after all the guy did say  make an offer...

Cant' hurt to try.
Good luck!