This is a mint block of 4 of Canal Zone 103, the 5c TR Perf 11 x 10 1/2 US overprint issue from 1931, centered just F/VF with fresh gum, top 2 LH and bottom 2 NH. There is a light vertical bend through the 2 right stamps, and a small perf separation at center right. Rare in multiples due to the low issue quantity of 60,000, as shown by Scott $110 catalog value for a hinged block of 4, BUT since two are NH the 4 singles catalog $140. No faults. A great addition to a specialist Canal Zone collection.