Up for grabs are:
https://goo.gl/photos/hrw4j7y5XMUdrJfZ8
from left to right:
-Greg Black 3G Heavy gold plated (LS)
-Griego Alessi 5B (LS)
-Bach Mt. Vernon NY 12C (SS)
-Bach Mt. Vernon NY 15C (SS)
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Complete pictures: https://goo.gl/photos/j1oLk4N6YsZF6vtP6
All mouthpieces were stored in pouches, so no knocking around or mistreatment.
-Greg Black 3G Heavy gold plated $185 + shipping these are $195 in silver and $250 plus in gold. so...
bought new. Used for a year. No scratches or dings, light insertion marks. No plating loss near perfect condition.
huge dark sound, solid core, works great for a big 2nd trombone sound or 3rd trombone when 4 are needed. I took very good care of this piece
-Griego-Alessi 5B ($165 + Shipping) these are $210 new
Bought new. Used for one semester for solo and chamber. No scratches or dings. light insertion marks. literally mint minus the insertion marks. very well taken care of.
-Bach Mt. Vernon NY 12C ($70 + Shipping)
Bought used. The shank is slimmed down some for alto trombone. works great on my alto. Has been re-plated at some point, but the rim has some imperfections, nothing that affects playing. Shank and cup however are 10/10. Great small bore/alto piece.
Bach Mt. Vernon NY 15C ($45 + Shipping)
Bought used from my former teacher some time ago. Original plating. Shank is cracked at the tip. it is round though, still blows fine just not in great condition. Rim has nicks but still plays fine. nothing on this mouthpiece inhibits playing, it just looks old (because it is). Works great on alto trombone, lead trombone for jazz, or whatever else you need a shallow mouthpiece for (making bee noises, pestering your roommates, etc.)