Montblanc Boheme Black and Marron Ballpoint Pen (38270), 4.3 Inches Writing System: Ballpoint pen with twist mechanism Barrel: Black precious resin inlaid with Montblanc emblem Trim: Three rose-gold-plated rings with embossed Montblanc brand name Clip: Rose-gold-plated clip set with a synthetic smoky brown gemstone, with individual serial number