Koga Masao No.60 Koga Masao Classic Guitar 1970s / ZEN-ON This is a Japanese vintage classic guitar made in the 1970s by ZEN-ON Guitar Works. It has a 0-fret specification, which adds to its vintage feel. [Estimated Specifications] ・Top: Spruce plywood ・Sides / Back: Mahogany plywood ・Neck: Mahogany ・Fingerboard / Bridge: Rosewood ・Nut / Saddle: Resin [Condition] ・Overall scratches, small dents, paint unevenness, and age-related changes ・Dents on the back, pick scratches on the top ・No top cracks or fatal damage ・Cleaned / New strings replaced ・Neck: Generally straight ・Fret remaining: Approximately 70% Please check the photos. [Size] ・Total length: 100.5cm ・Nut width: Approximately 48mm ・Scale length: 650mm ・String height: 6th string approx. 3.5mm / 1st string approx. 3mm ・Neck thickness: Approximately 30mm (measured with calipers from the strings, I felt it was thick, although there may be individual differences.) We will carefully and promptly pack and ship with cushioning material and cardboard. Thank you for your consideration.