Mark & Melt

Hallmark guide · Gold-filled

1/20 12K GF: meaning and value

'1/20 12K GF' means the item is gold filled with 12-karat gold, and the gold layer is at least 1/20 (5%) of the item's metal weight. FTC rules for gold-filled require at least 1/20 by weight and at least 10-karat alloy.

Metal
Gold-filled
Purity
—
Where
US
01

Often confused with

  • Not solid 12K gold - roughly 5% of the weight is 12K alloy.
  • '1/20 14K GF' is the other most common gold-filled stamp.
02

What a piece marked 1/20 12K GF is worth

IWhat is it?
IIWhat's stamped on it?

Tap the mark you see. Not sure? Pick the closest and check the purity guide below.

IIIWeight

grams (g)

Adjust spot price and buyer payout
Buyer pays (% of melt)
–%

Cash buyers usually offer 70–90% of melt value. Adjust if you have a quote.

Melt value $0.00. Likely cash offer $0.00 – $0.00.

Filled or plated — gold over base metal

GF, RGP and HGE pieces have only a thin layer of gold. Most buyers pay little or nothing for them; a few refiners buy gold-filled by weight at a small fraction of solid-gold prices.

DocketYour tally

Add items to total everything you plan to sell, silver and gold together.

Sources

Related marks