2.75" Vintage gold-tone stick pin featuring a single iridescent pearl on one end and a protective cap on the other

The value of this 2.75-inch vintage stick pin depends heavily on its materials, as these items were manufactured across a broad spectrum of price points:

• Costume Jewelry (Base Metal & Faux Pearl): If the stick pin is plated base metal or brass with a simulated plastic/glass pearl, it typically sells for $10 to $25 on vintage marketplaces like Etsy