Current scrap metal prices for various grades of tin are provided below in pounds per USD and are shown less then truck load and truck load (LTL, TL)

Block Tin 3.16 4.21 lbs USD
Pewter 1.97 3.28 lbs USD
High Tin Babitt 1.82 3.04 lbs USD
Solder Dross 0.47 0.94 lbs USD
Sn/Pb Solder Scrap 0.76 1.52 lbs USD
Lead Free Solder Scrap 1.15 2.30 lbs USD
Detining Can Scrap 0.08 0.16 lbs USD

http://scrapmetalpricesandauctions.com/non-ferrous/