Looks like "large" spherical bubbles and probably glass or possibly it is an enhydro quartz crystal with a water bubble,but too hard to tell with...
S.Garcia Martinez possible original owner or maker,acid etched, "homemade" horse head pommel/handle possibly pewter or aluminum and cow horn...
7 from the left,3rd from the right.... need a good closeup of the surface of the fracture. Nothing in the photo appears to be agate. Where were...
What is the length of the pieces? Looks the master forms for lawn bowling pins or skittles.
Are there bubbles in the broken stone? Can you get a closeup of the broken face of the larger stone?
It looks more like the 80's or later......... pre-notched cast setting with sloppy finishing and modified for a pearl instead of faceted...
"SA" is the maker's mark,it was made sometime in the last 50+ years.Did you buy it new from a store or something else?
Generic cast onyx signet ring,probably made after 1950.The wax model was thinned down before casting so it was possibly at the lower price ring at...
It could be a newer reproduction using old original dies/rollers.Many of the old New England companies tossed out their dies,etc. for more modern...
It depends on which alloy is used ...nickel silver is considered a white brass.
Try google for European maker's marks,there's probably at least 70,000 in the last 50 years.
417 is the mark for 10K gold,not sure which countries use the 417 mark.
Looks like they were made on a rolling mill and the initial either engraved or stamped.On #4 it looks like a tilted "T" on the inside and possible...
It is probably carnelian and an acid etched blade.
Gold filled..........1/10 and 1/20th weight of actual gold.
Can you read what is engraved on the cup?
Looks like a piece of wood covered with asphaltum and cowrie shells.
Aztec calendar made of travertine/Mexican onyx.
Listed as Danish compote bowl................ https://www.pinterest.co.uk/baldurbear/home-deer-head-bowls/
Old? maybe as "old" as early 20th century,but young by Chinese standards.Described as filigree but it looks like granulation and is it a Foo Dog...
Separate names with a comma.