Adapter looks good, it has been used, it shows some wear from use, but it is not damaged in any way. But it is missing mount. So it can't be used in as is condition. There is no way to attach it to the camera. It seems to be missing ring and mount. 

 Lens ring OD is 50mm. 

Shipping is free within USA and $10 worldwide via USPS first class mail service worldwide. You can choose faster and more expensive shipping during check out.