Cut-away model by Gary Frost, laced construction. J.B. Green 1985 handmade paper. Sewn on single and double linen cords and split alum-tawed pigskin and vellum thongs with linen thread. Combination linen headband. Nigerian goatskin with spine cut away to reveal various sewing structures. Vellum tip on one corner, marbled paper covering part of back cover.