A very sweet aquisition indeed!! Now that you've got a bonafide one of these, I can't wait to get all the details on it. Thanks for posting the measurements. I'm so used to the gamba form it is hard for me to think of these as double basses. This is one with the sloping shoulders. One has to wonder why one shape dominated and the other is so much rarer.
Oh, by the way, I post sometimes somewhere's else as: