YAMAHA CO-100 Compressor, Made in Japan Considering its age, it's in quite good condition, but as it's a used item, it's not completely free of scratches, so please refrain from purchasing if you are overly concerned about this. Since there is no adapter and the operation has not been confirmed, it is treated as a junk item. Due to being a junk item, returns are not accepted, so please understand this before purchasing. Please check the attached images for details. Thank you for your consideration.