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CoinATMRadar
A very useful set of comments and website!
I have used two of the three in Miami, yes, they changed the machines. $600 limit per visit, ID required. I believe that "Subsequent Visits" have somewhat less onerous requirements, as the machine (system) remembers who you are, you enter your phone number and PIN number.
I will have to re-check the premium, it WAS 9%. 13.4% is distressingly high (I did not even bother to do the arithmetic when I last bought BTC).
The newer machines are more robust than the older Lamassu's.