Seven-ply panel from 1 981 to 2 400 mm long, from 762 to 1 220 mm wide and about 44 mm thick, consisting of a blockboard-type core between two panels of three-ply plywood, this seven-ply panel, which has two long edges (possibly veneered) and one or both short edges (possibly veneered) consisting primarily of a single piece of timber known as a 'lipping', has not undergone any further working.
