Samsung T105g with 104 minutes left. Bought this for someone who visited for a month.. he only used 20 minutes in all that time!

Not a fancy phone, but it does the job. Here's a picture:
http://www.walmart.com/ip/TracFone-Samsung-105-P4-Prepaid-Cell-Phone-Bundle/15128229

Originally ~ $30 from walmart. Asking $15 or anything reasonable.