This is one of the early Greco basses that is actually period-accurate for the instrument it copied. Usually, the early models had strange hardware and iffy build quality. This is the oldest Thunderbird replica I've ever seen, and it happens to be in great collectible condition still. The neck is remarkably straight and the truss rod turns in both directions easily if you ever needed to adjust it. I keep the strings slacked a bit when not playing, but not by much and it has stayed put. It is built like a tank and has a really gnarly tone from its one pickup. I wouldn't say it has a muddy tone, but it surely goes into overdrive easily and reminds me of the classic Jefferson Airplane bass tone. It has a few body chips and scratches typical of an instrument its age, but shows little sign of wear on the frets. The bridge cover is missing, but Gibson parts usually fit without a needed mod job. Primp out that afro, put on the shades and crank 'er up to 10. You'll be grinning for hours...