The metal tag is more then likely an institutional inventory label.
Looks like Mahogany.
Your chairs are not danish. I don't believe they would even be considered danish style.
When asking for help this thread reminds me that I must remain positive, respectful, and patient on the internet and
Risom did use the metal drawer glides on some dressers, sideboards and desks that I've seen.
The value in the chairs as a whole is the design and the Finn Juhl / Vodder logo.
I believe your chairs are Harvey Probber, although better photos would yield a more definitive answer.
Is There any evidence that supports Milo Baughman's relationship with Design Institute Of America.?
About fifteen or so years ago I bought a bunch of theses chairs from a Catholic monastery.