Ik was verkeerd, sorry.
Dit haalde ik van
www.r-o-d-d-y-t-r-u-m-p-e-t.cc
Mouthpiece Finish
Gold plating IMHO helps with lip flexibility and is more suited to the player who uses a wet embouchure but is not so suitable for the dry lipped player who requires more grip. Silver plating is generally preferred by dry lipped individuals.