Management Number: #5D056 ■ Regarding Price: ① We may offer a slight discount (a token of our appreciation) depending on the situation, but we cannot accommodate significant price negotiations. ② Due to various circumstances, if we temporarily lower the price, we may revert to the original price without prior notice. Please note that comments regarding price negotiations will be deleted once they are no longer needed. This is a part removed from a Yamaha SA-90 manufactured in the 1970s. Considering the business aspect, the parts should have been standardized as much as possible, so it is believed to be a common part with other models. Based on our review of catalogs, we believe it is compatible with the following models manufactured around the same time: AE18/SA90 (In addition, it may have been installed/used in other models manufactured around the same time.) We have cleaned and polished the item with polishing agents before listing it, but it is not completely free of dirt. For free shipping, we may change the shipping method at our discretion.