Extremely rare variant of Thonet No. 405 chair by Josef Urban used for Municipal House in Prague, former Czechoslovakia upon it's opening in 1912. Made of beech wood with a continuous leather tacked back and seat of sweeping L-shape, the legs terminating in brass sabots. In original condition with visible wear. Structurally sound. Height 95 cm, width 44 cm, depth 45 cm, seat height 45 cm.