Montblanc 121 fountain pen, made of black acrylic resin. The Montblanc 121 fountain pen is a flagship resin model from the 1970s to 1980s. It is distinguished by three key features: the crown-shaped bishop ring on the cap, an 18K gold nib, and a yellow ink window. Old Montblanc pens from this era are beloved in Japan for their well-worn, smooth writing experience and are also highly regarded as collector's items. This model is especially recommended for those seeking a quality vintage fountain pen. 18K gold nib, M nib Trim color: gold Filling mechanism: cartridges and converters Accessories: None Fountain pen inside in excellent condition and perfectly working. Nib size may vary due to its vintage nature. See test writing photo for actual thickness. Good Condition. For a pen of this age, the condition is good. However, please note that there are minor scratches or dirt due to the passage of time. NOITICE The lot will be carefully packaged and sent by Japan Post, DHL or FedEx, depending on the situation. It takes about 3 weeks to receive normally. Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Sometimes Customes or delivery company in your country contact you for Customs clearance via phone or email. Please make sure that you could answer the phone. If you don't, the parcel will return to me and it cost more double shipping fee for reshipping. I appreciate your cooperation.