Master Link Alto 5* "Four *** Model"Here is an original condition Otto Link "Master Link" Four Star Model. This piece measures . 055" on my gauge. These are among the earliest brass pieces finished and sold under the Otto Link name when the vogue in design was to have a very large chamber that suited the instrument design of the 1930's. This one has its matching ligature which are increasingly difficult to find. While this piece is original I notice some wear at the table from many