WTB: 50mm round/unmounted LRGB+3nm SHO Astrodon/Chroma

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Hello all,
I am looking for 50mm round/unmounted LRGB + 3nm SHO filters for a project. At this point, I am only looking to get Astrodon or Chroma filters (the Chroma filters need to be manufactured after 2020 or at least have cut-off at 420nm for LUM and Blue filters to avoid blue halos).

Please let me know if you are looking to sell.

Thanks and CS!