Vintage Trumpet Mouthpiece 21 (HN White Stencil?) Deep Cup 22 Throat .640 ID

Description

This is a used vintage trumpet mouthpiece marked 21. It was like make for pre-WW 2 trumpets. It has a deep cup, 22 throat, and a .640 ID.
This mouthpiece is in good condition. The plating is nearly 100%, there are nicks and scratches, and the shank is round.
Photos have been taken from several angles to allow you to check condition. If you click the pictures, they will supersize for a better view.
The mouthpieces I sell have been cleaned and polished. The backbore has been brushed out and the shanks have been trued, if needed. All mouthpieces receive a final cleaning and inspection before they are shipped. You will get a clean, polished mouthpiece, ready to play. Check my feedback and bid with confidence. I have been buying and selling on eBay since 1997.
Mouthpieces are bagged, wrapped in bubble wrap, and shipped in a padded mailer. Shipping is free in the United States.
This will ship via First Class Package International for overseas sales.  International buyers may have to pay VAT, customs fees, local delivery charges, and the package could be held in customs for several weeks. There is no tracking for 1st Class International. You will receive a customs number, which may help you locate the package in customs. International shipping has taken as long as 6 weeks in a few cases.  Please be patient and allow time for delivery.