3 - Tip Opening - .051"/1.29mm
5 - Tip Opening - .065"/1.65mm
Obviously used and vintage, but have been cleaned and sanitized
Can work really well with some vintage horns
Please see pictures, please ask questions
I can buff the bodies and touch up the facings for an additional cost
Lay No.1 A short facing with close tip opening.
Lay No.2 A short facing with medium close tip opening. Popularly known as the French lay and used by many great soloists because of the quality of tone produced.
Lay No.3 A short facing with medium wide tip opening. The most popular all-purpose mouthpiece. Fine for solo work. Gives larger volume than Lay No.2.
Lay No.4 A moderately long facing with medium wide tip/opening. Designed for those who have well developed embouchures.
Lay No.5 A short facing with wide tip opening. Most popular with dance men who want plenty of volume with good tone.
Lay No.6 A long facing with wide tip opening. Designed for use by those who have well developed embouchures and who want to emphasize volume.
Some useful additional information below at Conn Loyalist
https://cderksen.home.xs4all.nl/ConnArticle48.html