(137A, B), 20 lep. red brown in block of 40 (4 sheetlets of 10). On back handstamp "ΤΑΜΕΙΟΝ ΚΕΡΚΥΡΑΣ" in blue. A rare and unique item in very fresh condition. Catalogue price: as sheetlet 13.200?, as gutter pairs 20.400?. It is put in plexiglass for complete protection.