Goldplated Pigtail lightweight aluminum tailpiece and steel tailpiece studs. Very good to excellent condition.
Pigtail makes the highest quality Gibson tailpieces and studs money can buy. Their site is here: http://www.pigtailmusic.com/Products.php
The tailpiece has very slight marks from topwrapping but you have to look closely to see them.
These sell for $178 new from Pigtail.