Tough one to value but I wouldn't be in a hurry to sell for low xx,xxx.
I think the price goes as Ethereum goes, some think it will surpass the bitcoin market cap and it is currently one of the top two cryptos with a lot of tokens and smart contracts continually being built onto it. Also the creator is Canadian and has a .ca website already at vitalik.ca
Personally I'd wait until the right buyer came along in at least the xxx,xxx range. I mean look at what crypto whales are willing to pay for an NFT.
Good example of how a domain can have limited value before something is created, and then after become worth a lot more. You never know when a two or three or four letter acronym may become adopted by something big, but sure it's a bit of a lottery ticket.