File:Aria Diamond series Model 5120 by Matsumoku (SN 0728021) (1970-1974) hollow-body bass guitar - a bolt-on neck joint with a plate on which serial number was engraved (2013-01-16 17.18.13 by basstpm).jpg - Wikimedia Commons
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File:Aria Diamond series Model 5120 by Matsumoku (SN 0728021) (1970-1974) hollow-body bass guitar (2013-01-15 21.30.47 by basstpm).jpg - Wikimedia Commons
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New to me! Believe it's a 69 Aria Diamond. Can anyone confirm? Any other info please? Thanks : r/BassGuitar
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File:Aria Diamond series Model 5120 by Matsumoku (SN 0728021) (1970-1974) hollow-body bass guitar - body from bottom left (2013-01-16 17.29.08 by basstpm).jpg - Wikimedia Commons