1 Black Walnut (Juglans Nigra) bookmatched set.
Back: 23.5" × 10.2" × .20"(59.7cm x 26cm x 5mm)  

Sides: 35.4" × 5.6" × .21" (90cm x 14.3cm x 5.3mm)   

Skip planed top and back. No defects within the template area.
Kiln dried, currently at 10% moisture content.
Natural.