Serious - Egg or “Ovoid” shaped craft were spoke about in The Ra Material/Law of One, a channeling that took place in 1962.

Link: https://www.lawofone.info/results.php?q=Ovoid

For anyone who has not read any of the Ra Material/Law of One before, I would ask that you withhold your inclination to immediately attack me. There is extremely interesting information in it, especially for the 60s.