Please understand that while we may temporarily lower prices, we generally do not respond to price negotiations. Management Number: #5A474 This is a part removed from a Yamaha SG-65 manufactured from the early to mid-1970s. Considering the business aspect, the parts should have been standardized as much as possible, so it is thought to be a common part with other models. Based on our confirmation using catalogs, etc., it is believed to be common with the following models manufactured around the same time. (In addition, it may have been installed/used in other models manufactured around the same time.) SG45/SG65/SG85 We have cleaned and polished the item with polishing agents before listing, but the dirt is not completely removed. Regarding the free shipping method, we may change it to another method at our discretion.