Rare!! Theo Wanne Mouthpiece - The "Theory" for Alto Saxophone

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This item is a

Theo Wanne Mouthpiece, Theory model, for Alto Saxophone.

This is a rare Theo Wanne mouthpiece. Is anyone looking for one? Personally, I find the tone to be quite bright. I think it would be perfect for songs like Treasure Island! It's very easy to play, and I can confidently recommend it to beginners! As expected from Theo Wanne, it's easy to handle while producing a sparkling sound!
Would this be suitable for those looking for an easy-to-play mouthpiece, those seeking a new sound, or collectors?

I purchased this shortly before quitting, so it hasn't been used much.
The case and drawstring pouch are included. The writing on the pouch is slightly faded.
A mouthpiece patch is attached.

I've been using it since junior high school, and about a year has passed since I quit band. I decided to list it thinking it would be better used by someone who needs it...

If you are someone who will cherish it, I would be grateful.

I am open to price negotiations, as long as they are not too drastic. Please feel free to consult with me about the playing feel and other aspects.

I will ship after disinfecting it again.
Shipping is estimated at 4-7 days, but it may be possible to ship sooner. I will send you a message if that is the case, so thank you for your understanding.