The hallmarking of RPG means Rolled Gold Plated. This hallmarking would indicate the piece has a layer of 18K gold, but is not solid gold
18 karat yellow gold. refers to percentage of gold content/type.
The red ring of death means a error has occurred.
If there is a marking of 18kge on a ring, it means that the ring has 18 karat gold electroplate or kge. 18K gold has a content of 75 percent pure gold and the rest of the percentage are other metals like copper. The ring is merely electroplated by 18karat gold and not made of 18k gold.
It is the silver content in the ring. 988 is 98.8% silver.
What does 18kHGA mean stamped in a ring
The silver content is .925
Google search for "18 gauge tongue ring"!
If we are discussing a gold ring and the ring is 18 carat gold (fairly pure: 18/24 by weight gold) and "they" are paying only for the gold content then there are 4 * 18/24 = 3 grams of gold "they" are going to pay you for. Gold is measured in "troy oz", not avoirdupois ounces like most everything else! There are 31.1 grams in 1 troy oz so your ring has about one tenth of an ounce of gold in it. You will get about 140 (dollars?) for it.
18 karat gold
The Ring of Destiny was created on 1915-11-18.
The Ring Two was released on 03/18/2005.
Because of the content