Navajo/Santo Domingo Vintage branch coral cluster Earrings. 12K GF
US$399
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The Markings!!!!!!!!!
Native American
Based on the hallmark and visual features, these are vintage branch coral cluster earrings featuring gold-filled hardware.
The hallmarks on the earring back provide specific details about the materials and construction:
• GRA-LOK: This is likely the maker's mark or a brand name for the specific locking mechanism used on these earrings.
• 1/20 12KT G.F.: This indicates the metal is 12-karat gold-filled.
• G.F. (Gold Filled) means a solid layer of gold has been mechanically bonded to a base metal (usually brass).
• 12KT specifies the purity of that gold layer (50% pure gold).
PATENTED: This refers to the patent for the specific "GRA-LOK" earring closure design. © American Rare C... +4
Item Characteristics
Material: The orange clusters are branch coral, a popular material in mid-century and vintage jewelry.
• Age: Given the "1/20 12KT G.F." hallmark and the style of the "GRA-LOK" hardware, these are typically dated to the mid-20th century (roughly the 1940s to 1960s).
• Condition: Gold-filled jewelry is known for its durability, with the gold layer being significantly thicker than gold plating, allowing it to last for decades without wearing through.
Key Characteristics
• Material: Often made from natural red or orange branch coral, which is sometimes referred to as "precious coral"
• Design: These are typically "cluster" or
"fringe" earrings, where multiple small coral branches are hung together to create movement.
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