Great detailed carved shelf with applied symbols including compass, stars and moon, wood working tools, hour glass and columns on each side with label on back marked "William Sibley born October 11, 1825 and died January 9th, 1904.William Sibley was a carpenter in the Worcester, Mass area".Ash wood on back with all walnut applied carving.Super folk art Masonic piece.Excellent condition.25" h.13 1/2" w.EST.$150.-$350.