First Trip (Trip 1) Westbound, November 1, 1956%u2014%u2014An unknown number of pieces carried.First Trip (Trip 2) Eastbound, November 1, 1956%u2014%u2014354 pieces carried.With %u201cWilliam E. Salomon, Philatelist, 320 Highview Place, Silver Spring, Maryland%u201d on back.