Rare–nos in box oem original vintage 1968-72 era GM Delco guide glare-proof rearview Mirror with map light–excellent but missing small groment that holds wire in place–this is awesome–instructions dated 1969–in nos buick gm box with part number 981533, but this same mirror used on many models–mirror marked made in usa, guide glare-proof–12 mirror–glass reflection is…