Sort:  

why are they not intended for circulation?

I'm not exactly sure, but at some point they decided to make them just for collectors and such. The years 2002 and up are NIFC coins.

Very nice sir. Please stop by my channel and take a look! Thanks for sharing!

Congratulations @coinquest! You received a personal award!

Happy Birthday! - You are on the Steem blockchain for 2 years!

You can view your badges on your Steem Board and compare to others on the Steem Ranking

Do not miss the last post from @steemitboard:

The Steem community has lost an epic member! Farewell @woflhart!
SteemitBoard - Witness Update
Do not miss the coming Rocky Mountain Steem Meetup and get a new community badge!
Vote for @Steemitboard as a witness to get one more award and increased upvotes!