The fetching red romper suit with the distinctive silver triangle which Robin Williams wore on hit sitcom Mork and Mindy is going up for auction and is expected to fetch up to $20,000.

Williams played eccentric alien Mork from 1978 to 1982 and now, more than than 30 years later, both his spacesuit and his egg-shaped spaceship will go to the highest bidder.

According to news agency AFP, both items will go on sale at an auction of Hollywood memorabilia be held in California.

Mork’s spacesuit has an estimated price of $20,000, while the spaceship is expected to go for anywhere between $4,000 and $6,000. The auction will be held from October 17 to 20.