Hello everyone, pleased to be here, a little about myself, I've been playing trumpet for about 35 years now, I play on a Bach Strat with a first valve trigger, I use a Jet Tone 2d mouth piece along with a Bach 7CW and sometimes a Jet Tone MF mouth piece. I have a question that someone may be able to help me with, I have a Olds 1 mouth piece and wondering if anyone would know when these were made, it needs to be refinished but ive used it and its a deep one, Thanks