This is a great discussion! I hope you don't mind if I chime in as a
buyer/collector. I've also sold art on EBay so I know how important the
real estate of the description, the category choices and all that stuff
can be for finding the right buyers. ...
So, I found a set on eBay with the MR-39 registration mark. I agree that
it's a 1980 or later hallmark and from Mexico
City.http://www.ebay.com/itm/281521468791?redirect=mobileBy the way,
your necklace is spectacular!
The last pair look like NA Thunderbird dancers. It would be great for
the pair of Mexican earrings to see the back. Even though you've
described the marks well, someone might be able to read the Eagle mark.
Also, the way "Mexico Silver" is written co...
This is definitely pre-1940s. It's probably 1920s or earlier but 20th
Century.The quality and detail of the metal stampings with the glass
stones makes me think it's Czech. Also, the four little flowers with the
glass stone centers is a very common C...