I've got two new unopened boxes of 4x5 (Portra 400 10 sheets Exp: 05/2014 and Ektar 100 10 sheets Exp: 11/2004). Wondering if someone has unopened unexpired 4x5 or 120 of equivalent value Neopan Acros 100 or Velvia 50 or 100 they would like to trade? CONUS only.