About This Pen: This Montblanc Meisterstuck Solitaire M23806 (105989 or 105990) Pen has a ballpoint writing system with twist mechanism. It features a champagne-tone gold-plated barrel decorated with three dimensional geometric pattern, complemented by a cap that is also gold-plated. Both clip and fittings are champagne-tone gold-plated. The three champagne-tone gold-plated rings on the cap is embossed with the Montblanc brand name.