Hold on - re Ebay item number: 290258414135

Didn't notice the seller provided pics of the part number on the box lid and from the top of the mirror itself:

3934583

I think we may have a winner. If this is the case, then the STARTING bid is at $349.99 (ouch). BUT..this mirror looks exactly like a repro of a 68 Camaro mirror (3921816) that costs around $100.00:

http://www.paddockparts.com/Paddock/productr.asp?pf_id=3921816&gift=False&0=dept.asp%2Cdept_id%3D8%26menu_id%3D%26Tree%3D%2CNova&1=dept.asp%2Cdept_id%3D274%26menu_id%3D%26Tree%3D0%2CNova%20Mirrors&2=product_family.asp%2Cfamily_id%3D3889%26Tree%3D1%2C63-72%20Nova%20Outside%20Mirrors&HSLB=False&mscssid=02E18D245B924D379DED493D48FAB91A

We need someone on this forum to send a pic of their original 68 remote mirror, one they know to be original to their car so to be 100% certain.