Sorry about the resource confusion for this copper necklace! The artist provided me with this additional information:
Carole suggests, ..."call the stores as I doubt any of them have all their products listed on the web sites. Jay's number is 520-323-1123.
The disk beads from Aylas are actually silver plated brass and I bought them from Dan Starkey ( dans@aylasoriginals.com ) who sells for Ayla's at shows in the Midwest.
There is a store called Jay's Indian Arts in Flagstaff which was bought out by Thunderbird Supply. They might possibly have the round copper beads if they haven't changed the product mix in the store. The store in Flag and the one in Tucson were owned by members of the same family and they sold one store. I haven't been in the Flag store in 3 years so I have no idea what they have anymore. Copper is so hot right now that I would think it would be easy to find round copper beads on the web.
The three hole spacers came from Glass Garden Beads in Northfield, MN. Ask for Cathy at 507-645-0301...."
Please be sure to email me personally should any one find better sources for these beads. My own surfing has not yet turned up exact dupes of these 3-hole or 3-strand spacers, but there are variations out there. Good luck! sbsbeads@interweave.com