This is a Fotodiox Pro lens mount adapter. The retail price is around 21,000 yen. There are no noticeable scratches or stains, but please check the images. One of the screws has a little rust. ● Please check my profile before commenting or purchasing to ensure a smooth transaction. ● Please understand that this item is for personal use and has been stored personally. ● Shipping will not be available from December 26th to January 3rd. Thank you for your understanding.