Antique Arts & Crafts Mission Jm Young Oak Rocker, Circa 1910. An antique Arts and Crafts Mission rocking chair by JM Young offers quarter sawn oak construction with upholstered back and seat, each arm having concave corbels, c1910. Overall very good condition, tight, sturdy and without issue as photographed. Wear consistent with age and use. Measures- 36.5''H x 28''W x 31.75''D; 18.5'' seat height.