Canada #362, 363. Archival quality VF mint NH matched sets of blocks of 25 (half sheets of each corner position) of the 1956 issue 20c green Paper Industry (plate #2) and the 25c red Chemical Industry (plate #1). Valued as matched sets of plate blocks and 84 VFNH singles for each value. As fresh and pristine as the day they were printed. 2017 Unitrade.