Not sure what you're on about (though I have my suspicions), looks like a .observer for a nigh-identical URL is $9.76 initially and on renew on Porkbun:

https://porkbun.com/checkout/search?q=project2024.observer

the TLD registry discloses their costs don't they?

ICANNWiki shows Team Internet Group PLC (formerly named CentralNic Group PLC)