https://hkn.ieee.org/?attachment_id=34214
license plate3 - IEEE Eta Kappa Nu (IEEE-HKN)
eta kappa nulicenseieeehkn
https://scalar.usc.edu/works/the-progressive-dinner-party-restored/media/plate3_carroli.1
plate3_carroli
This is the plate displayed in the Progressive Dinner Party when visiting the work.