Taken from fullscreen prints of Patch Adams (in this case, a Telecine 1 airing captured by Mano El Neto). if you're wondering, yes, this is where the UK Home Video logo comes from.
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https://www.youtube.com/watch?v=TnxFBSQEeUU
Another interesting and simple demo disc from the Lucasfilm era of THX. Credit again to flacguy on Internet Archive for the downloadable file and Sebastian Segura for the disc image itself.
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https://www.youtube.com/watch?v=Kqa5D4CCWcI
Hecho por SmithGroup Communications en los Estados Unidos, y tirado de una sección en el website Platypus Comix sobre cortinillas de cines.
Made by SmithGroup Communications, and taken from Platypus Comix's section on theater bumpers and policies.
http://platypuscomix.com/hollywood/ptjamboree1.html
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https://www.youtube.com/watch?v=EfvuRV83X-Q
Taken from Mexican prints of Mortadelo y Filemón: Contra Jimmy el Cachondo (2014, titled in Mexico as Mortadelo y Filemón: Contra Jimmy el Locuaz)
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https://www.youtube.com/watch?v=B9vWRPlsBeU