1965 Ad Allison Division GM Photovoltaic Cell Dr Tang - ORIGINAL TCE2 ZZ3 There is a blemish in

There is a blemish in the top margin--please see image

Please note there also is water staining in the lower left corner as well

This is an original 1969 color tipped-in print of "Gospels

Louis Moreau Gottschalk

1965 Ad Allison Division GM Photovoltaic Cell Dr Tang - ORIGINAL TCE2 ZZ3 There is a blemish inThis is an original 1965 black and white print ad for Allison, a Division of General Motors, Indianapolis, Indiana. This ad features an image of Dr. Tang measuring photovoltaic cell performance with a variable radiant energy souce in one of the Engineering Research Labs at Allison. CONDITION This 46+ year old Item is rated Near Mint Very Fine+. Light aging throughout. No creases. No natural defects. Some light surface rub. No tears. No water damage.