Here are your res tests for MP4 ranging from 240p to 4K (NSFW)

[Daniel D. Teoli Jr.]

7 Resolution Tests of 16mm Cine' Film Jazzy Girl exported as a 320x240 to 4K MP4 file D. D. Teoli Jr. A. C. : D. D. Teoli Jr. A. C. : Free Download, Borrow, and Streaming : Internet Archive

They were scanned with a 2K Retroscan, so 4K is upscaled. But titles are all proper res. I just made them today. I can't find the old ones at the Internet Archive, so made anew.

Download and study jazzy girl on a large monitor or TV. Don't use your phone.

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Daniel D. Teoli Jr. Archival Collection
Daniel D. Teoli Jr. Small Gauge Film Archive
Daniel D. Teoli Jr. Advertising Archive
Daniel D. Teoli Jr. VHS Video Archive
Daniel D. Teoli Jr. Popular Culture Archive
Daniel D. Teoli Jr. Audio Archive
Daniel D. Teoli Jr. Social Documentary Photography