GF= stands for "gold filled"
Gold Filled (heavy plating), usually has a fraction,
For Example:1/20 10K GF
found at: http://nitacreations.blogspot.com/2007/10/jewelry-markings-what-do-they-all-mean.html
Gold filled
Markings on white gold are normally placed to indicate the level of purity of the gold. Different manufacturers use varied types of markings on their products.
AMCO is the company that manufactured the piece of jewelry. The 14K represents the carat weight of the gold. The GF stands for gold filled. AMCO went out of business in 1970.
The inscription "WEH GF" on a bracelet typically stands for "Worn Every Hour, Gold Filled." This indicates that the item is designed to be worn frequently, and "gold filled" refers to a layer of gold that is mechanically bonded to a base metal, providing a more durable and affordable alternative to solid gold. Such markings are often associated with jewelry that aims to balance quality and cost.
gold filled unlike g.p which is gold plated GF is full gold and makes the jewelry more valuable
"14k gf esp" typically refers to jewelry made of 14-karat gold filled (gf) material, indicating that it has a layer of 14k gold bonded to a base metal. The "esp" could stand for "especially" or might be an abbreviation specific to a brand or style. Gold-filled jewelry is known for its durability and is a popular choice for affordable yet high-quality pieces.
925 is the mark for sterling silver. GF MEANS Gold Filled & my guess is that GFS Means GOLD.FILLED SILVER.
gold filled
all quality jewls will have a number on them. go to a jewler to find out what the number represents. he/she will tell you weather it is plated or real. if it doesnt have a number (they are really small) it is probley made of plastic or something else cheap
gf means gold filled
the GF stands for GOLD FILLED
"10kt gf espo" typically refers to a piece of jewelry made from 10-karat gold filled (gf) material, possibly featuring an "espo" design or style. Gold filled jewelry is composed of a thin layer of gold bonded to a base metal, offering a more affordable alternative to solid gold while still retaining a gold appearance. The term "espo" may refer to a specific brand, designer, or style associated with the item.