Good afternoon! I have acquired what I believe to be an Adamas but can't find any identifiers other than the name on the headstock. There is no serial number stamp or label. It is the matte black w/ sparkles, ornate bridge and purfling, high and low impedance jacks and preamp w/ tuner. The guy I got this from said it came from an Ovation employee. This was supposed to be part of a 4 lot special order and only 3 were taken. Of course the joke around here (I live in Eastern Connecticut) is that everybody has an uncle that worked at one of the Ovation factories so who knows! I will attempt to attach pics. It looks similar to a 1581-5. Thanks for the help!