Hi all --
there is a lot of great information here in this forum on Otto Link mouthpieces (e.g., posts by Doc Tenney and a thread by unbalancedaction) and in other places (such as Theo Wanne's web site, which is fantastic). However, a lot of people are still confused about the different flavors/models of metal Links. This is evident in about half of all Florida Links advertised on Ebay actually being Early Babbitts (as example).
So I made an attempt trying to identify Otto Link mouthpieces using a novel approach:
"The Otto Link Zoo" (pdf / jpg)
Please let me know if you find this useful, and send me omissions/mistakes.