Here i show one of my unique custom Parker 51 cap. When we find a worn Parker 51 caps do we throw it away or replace it ? I like to customize the pen in this matt brushed effect with a semi precious jewel. Vey nice. Please support my work at http://www.paypal.me/grandmiapens Ebay at https://www.ebay.co.uk/usr/welcome2stay Email at grandmiapens@gmail.com