The markings are written through the minting depress.

Manufacturing coins and jewelry a lot costlier as needed high precision. These also include places like Hong Kong and Taiwan. By converting gold into jewelry, you can literally raise the monatary amount of the gold in your inventory.

Just like trading foreign currencies, you need to research for your current average rate with the gold together with market and see if the offers are reasonable.
This prevents your gold from sleeping and yet maintains its liquidity.