CMS don't list any, so I expect no one has new sets https://www.cmsnl.com/honda-nsr250r3-1996-t-japan-mc28-120_model49619/partslist/0138.html#.XUCniW5Fyzk
I bought a pattern tank decal from Image Works a while back and it looks like an original http://bike-stickers.com/homepage.htm
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Why do things simply when you can complicate them