Gold plating and gold filling were popular techniques for making jewelry and other decorative items in the past, and many vintage items may still contain these materials. Here are some examples of vintage items that may be gold-plated or gold-filled: Pocket watches: Many antique pocket watches have gold-filled or gold-plated cases and may also have gold-filled or gold-plated parts. Costume jewelry: Vintage costume jewelry may have gold-plated or gold-filled settings or accents, such as earrings, brooches, and necklaces. Flatware and tableware: Gold plating or gold filling was commonly used on flatware and tableware in the past, such as spoons, forks, and knives. Pens and pencils: Vintage fountain pens, ballpoint pens, and pencils may have gold-filled or gold-plated nibs or accents. Lighters: Some vintage lighters, such as Zippo lighters, may have gold-plated or gold-filled cases or accents.