how do i get a mouthpiece valued?

[Kirsti]

Hi i have a few vintage mouthpieces that belonged to my great uncle. Is there anyway that i can get them valued? it have the floowing:
Berg Larsen reg design 851427/8
Henry Selmer c*
J Heyworth & son 2c x2
Dearman super 4*
Lewin mo

i would be greatful for any advice and info u can give me my email add is yesitismehaha@yahoo.co.uk

[spartacus]

http://www.theowanne.com/

under the university link "How much is my mouthpiece worth"