Lot
4195 
Canal Zone, Postal Stationery Group, 1907-28, of 14 better entires; includes used U3, U4 x4 including usages from Balboa Heights, Ancon and Cristobal, one uprated to Guatemala, mint and used U5, UC2a first flight, UX2 x3, UX3 & UX4 x2; nice group. Scott No. U3//UX4; $1,820 Estimate $300 - 400.
Realized: $280