Lot
285 
1996, 32¢ Christmas, se-tenant plate block of 8, perforation error, combination error of of both #3109 imperf & 3108 imperf at right & #3111 imperf and 3110 imperf at right, o.g., never hinged, Very Fine, a very rare se-tenant error in plate block format; with 2023 P.S.E. certificate.Scott No. 3111b, 3111c $1,500 for strips.