Sorry, but i cannot ID the makers mark. The earrings are 46mm north to south and 21mm east to west. The turquoise is 8mm east to west and 17mm north to south. They are not hallmarked, but have been tested, and verified weighing in at 4.8 grams.
There are no problems other than ordinary and normal use marks. Comes from a clean, smoke-free home. Attention Sellers - Get Templates Image Hosting, Scheduling at Auctiva. The item "Vtg Modernist Sterling Silver Signed Blue Turquoise Dangle Earrings LFJ4" is in sale since Friday, October 30, 2020.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.