Tiepin with blue enamel circle monogrammed with an applied ''A'' in gold tone metal below a royal coronet. Pin possibly signifies H.R.H. Prince Arthur. Blue center is surrounded by a border of white enamel with gold geometric pattern. Measures 3'' in length and 0.5'' across the decoration. Lacking fastener and ever so slight curvature to pin, else near fine. Provenance from Sotheby's auction of The Jewels of the Duchess of Windsor, held in Geneva on 3 April 1987, lot 178.