The original screen used Death Star was left in garbage and a guy has it now at his home restored - this might be his.
https://www.oocities.org/starwarstrader_nz/props.html
From the original Star Wars "A New Hope" 1977, the DeathStar..
This amazing piece of history has an interesting story behind it.
ANH Original DeathStar Prop 1977
Click to Enlarge
One day Todd Franklin spotted what seemed to be a large prop model of the
DeathStar, a couple had owned a storage facility in California and when they
moved out to Missouri the movers had accidentally packed it up with their other
items. It was left outside and exposed to the elements, but remarkably still in
good condition. Todd talked to a person at Lucasfilm about what he had seen,
employee Judy Niles convinced him that the original was blown up and that the
one he had found was probably fan made. He didn't quiet believe the story and
a few years later Todd met Marc Thorpe who was working for ILM as a model
maker, he described to Marc how the prop looked and that he believed that it
was the real thing. Marc concluded that Judy Niles may have been incorrect
but unfortunately Todd had missed out on buying it for himself. It was purchased
by a local store owner and years later Tim Williams noticed that the store had
gone out of business. Figuring there may be second chance to purchase the
Death Star, Todd and his friends decided to pool their funds and finally buy
this amazing prop. Now when a light is placed inside the model, it lights up with
the same detail that everyone remembers from "A New Hope". The original
main dish was however missing, perhaps thrown away by janitors when it was
in the lobby of a music show well before Todd managed to acquire it. A truly
remarkable find and definitely one collectable prop item that's hard to beat.
And
https://theswca.com/index.php?action=disp_item&item_id=47464
An Interview With Star Wars Collector Gus Lopez