Ive already got the few I need, but I knew someone would be looking for this. The original style offset mirror head....these are getting hard to find and especially in good condition. Not mine, but figured it'd help someone else out. Has the wrong arm, but hes open to offers by the description.
Link:
http://www.ebay.com/itm/VINTAGE-CHEV...8e308f&vxp=mtr