Thank you for viewing. This is an S. Yairi Model No. YD-304, with an original retail price of 80,000 yen. The serial number on the neck block is #99**, and the stamp "77/06" is visible on the internal bracing, suggesting it was manufactured in June 1977. The sides and back are made of exotic and visually striking Jacaranda wood. Early YD-304 models had a 3-piece back with maple sandwiched between Jacaranda, but later models featured a select 2-piece design. Main Specifications: Top: Solid Spruce Sides & Back: Jacaranda Plywood (2-piece) Neck: Mahogany Fingerboard & Bridge: Ebony Tuners: German Schaller M6 Rotomatic Chrome Although the back is a 2-piece design, the sound still has the bright, harmonic-rich resonance characteristic of S. Yairi guitars, making it incredibly impactful. It's known for its meticulous craftsmanship and the Martin-like, shimmering sound with abundant overtones. The materials used are of excellent quality, exceeding the price point. The condition of this instrument is as follows: The top has scratches and pick marks, and some areas show deterioration of the finish. Slight weather checking, a characteristic of lacquer finishes, is also visible. The back and sides have inconspicuous scratches, and some areas of the finish show slight whitening. There is a small, rice-grain-sized dent on the back of the neck, but the edges of the headstock are clean without any damage. The original tuners show no signs of rust and move smoothly. The string height is approximately 2.5mm on the 6th string and approximately 1.6mm on the 1st string at the 12th fret, adjusted to a low and easy-to-play height. The saddle has approximately 3mm of height remaining at its highest point. The nut width is approximately 44.5mm, measured with calipers. The frets have more than 80% life remaining. There are no noticeable indentations or wear on the fingerboard from fingernails. The neck has been adjusted to be almost straight on the fingerboard side. Adjustable rods were embedded during this era, so neck adjustments are not possible. There is no lifting of the bridge, and no warping of the top. There is no tobacco smell or any other unusual odors inside. There are no cracks in the wood, and while there are some inconspicuous dents and scratches overall, it is in quite good condition. It will be shipped in the original hard case from that time. (Different from the one in the photo) Shipping is included via Kuroneko Yamato Takkyubin (Yamato Transport).