Yellow gold-tone linked necklace in a textured marquise style

This item appears to be a yellow gold-tone necklace featuring repeating openwork marquise-shaped links. Each link is constructed with an outer smooth border and a textured, cross-hatched or Florentine-finish inner element, linked together by small circular jump rings. The necklace features a fold-over style clasp, commonly seen in mid-to-late 20th-century costume jewelry. The metallic luster is consistent with gold-plated or gold-filled base metal, though without a visible hallmark such as '14K' or a maker's stamp, the exact material composition cannot be determined. Stylistically, the piece is consistent with mid-century modern or retro jewelry designs from the 1960s or 1970s. The overall craftsmanship shows uniform casting and even plating. No significant wear or tarnish is visible in the image, suggesting the item has been well-maintained. The identification is based on visible stylistic features and construction methods as no maker's marks are legible in the provided photograph.

Based on my visual examination of the photograph, this item appears to be a yellow gold-tone necklace featuring textured marquise-shaped links, characteristic of mid-to-late 20th-century costume jewelry. Based on what I can see, the piece features a fold-over clasp and a finish consistent with high-quality gold plating or gold filling, though I cannot verify the base metal or the presence of precious metal content without a physical inspection or acid testing. The design bears stylistic hallmarks consistent with the 1960s or 1970s 'Retro' aesthetic. My valuation assumes the item is a well-preserved piece of vintage costume jewelry in the style of mid-market designers from that era. The value is based on the current market demand for vintage statement necklaces, which remains steady among collectors of 'boutique' fashion history. I cannot confirm a specific maker as no hallmarks are visible; if a mark from a prestigious designer like Trifari or Monet were found upon physical inspection, the value could increase toward the higher end of the range. Conversely, if the piece is a modern reproduction or shows significant plating loss not visible in the photo, the value would likely drop below $20.00. To confirm authenticity and a more precise value, a physical examination would be required to look for hidden stamps, check the weight and 'clink' of the metal, and verify the integrity of the gold-tone finish. Professional testing would be necessary to determine if the item is gold-filled or merely plated base metal.