Lot
427 
Canada, 1992, 43¢ Flag over Prairies, imperf horizontally, left margin block of 4, o.g., never hinged, from a miscut booklet pane of 25 (BK154A), Very Fine, very rare. Scott No. 1359f $1,600 for pairs. Unitrade No. 1359f C$2,000 for pairs ($1,500).