It truly is a wearable piece of art. I believe the green stone to be either jade or Agate.
Steel will not scratch it. I could not find a makers mark.
The Necklace is 21.5 inches long. The pendant is 42mm north to south and 25mm east to west.The Jade is 20mm north to south and 9mm east to west. It is fully hallmarked, has been tested, and verified weighing in at 32.7 grams. This item is pre-owned and there will be ordinary and normal use marks. Comes from a clean, smoke-free home.
Attention Sellers - Get Templates Image Hosting, Scheduling at Auctiva. The item "Vtg Arts & Crafts Chicago School Sterling Silver Antique Hand Made Necklace LHB3" is in sale since Thursday, April 1, 2021. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Other Vintage Jewelry". The seller is "besparkledagain" and is located in Mayfield, Kentucky. This item can be shipped worldwide.