A FAN-BACK WINDSOR CHAIR,Francis Trumble (brand F. Trumble) Philadelphia, circa 1780-1790. The concave crest above a seven spindle back, shaped saddle seat, vase and reel- turned raking supports connected by baluster-turned H-stretchers (refinished) - 34 1/2in. x 18 1/2in. x 17in. Estimate $1,200-1,600