Hi Dennis,
A little over a year ago, I had the complete set of all 12 in
the collection in a nice presentation box. The company was
like the Franklin Mint. You could order just one or the complete
set of 12. The set I had was .999 proof, each was 1 troy oz.
They were minted by NMA (North American Mint)
North American Mint also made the astrology strikes for the
casinos, many who sold them in the gift shop individually in
the gift boxes ....