Wolfsburg steering wheel edition

Hi, it's my first post. Just bought Golf mk1 LD. Found this steering wheel, just wondering is it original from this car ( year 1978 1.5D). If it;s not original, how much is it worth.

http://imageshack.com/a/img537/9879/VrDlsW.jpg
http://imageshack.com/a/img911/862/uVJTR7.jpg
http://imageshack.com/a/img537/4953/hVuxgp.jpg
http://imageshack.com/a/img661/3350/LvfGVB.jpg
http://imageshack.com/a/img537/8248/yMfGCf.jpg
http://imageshack.com/a/img538/1903/uc9oM9.jpg
http://imageshack.com/a/img912/8808/GWUyxV.jpg
http://imageshack.com/a/img538/9131/BOD8qZ.jpg