Don't know what denominations of chips they have..they just mentioned the $10 as it might be the only casino in Deadwood that has it.

Diamond Lil's is a restaurant.

This link will give you most of the info you want:

https://www.bhpioneer.com/local_news/midnight-star-back-in-business/article_3eea010a-bbba-11ea-ac5c-47d73a879406.html?utm_medium=social&utm_source=facebook&utm_campaign=user-share&fbclid=IwAR2649yufgvTczSmIPT4GHwOieZAq7UZpY9sRcqMk5JyNNiOZIfKMGDxFsg