a list of assayers for gold silver and other precious in spain

SPAIN In 1934 the Spanish hallmarking system was organized on three types of marks fineness mark in the form of a fivepoint star for 9151000 purity plata de ley and a sixpoint comet for 7501000 purity plata de segunda makers mark in a hexagonal contour assay office code as a letter code stamped in the fineness mark star this code was rarely used left 915 fineness

Crowned arms between pillars This pattern is always paired with silver busts The example in the picture is a 4 reales 4R from Chile Santiago mint with assayer initials F and J These are sometimes called pillar dollars but there are other Spanish colonials with pillars so the name is coat of arms with lions and castles is a classic symbol of Spain

Hallmarking gold jewellery was Europes earliest form of consumer protection dating back to King Louis IX of France and Edward I of England in the 1200s As craft guilds arose in these two dominant markets of Middle Ages Europe stateappointed assayers examined precious metal goods

The Nuestra Senora de Atocha carried over 200000 hand stamped silver coins from mints in Potosi Lima and Mexico City To date only 128 gold Atocha coins have been recovered The gold Atocha coins were minted in Spain as gold coins were not minted in the New World in 1622

Platinum palladium rhodium and gold may be determined by standard lead oxide collection fire assay and ICPMS or ICPAES finish For the full list of platinum group elements nickel sulfide collection fire assay must be used for a quantitative analysis Pricing codes Fee Schedule CAD USD EUR

Gold Assay n a process to measure purity of items containing gold The process of gold assaying is a way to ensure that gold coins or gold bullion bars produced by a gold mint meet the correct purity standards and content For example the US Mint guarantees that its American Gold Buffalo Coin has a minimum 9999 purity Since the price of gold per ounce is based on 1 troy ounce of per

† The Chinese Gold Silver Exchange Society Hong Kong CGSE Importance of LBMA list As covered in the section on “Gold Associations Exchanges” the most important list of refiners for the international gold bar market is the one published by the LBMA In summary the LBMA list refers to more than 70 active refiners in 30 countries

The silver will alloy with gold and allow the nitric to dissolve the silver leaving the gold Be sure to weigh the bead before adding the silver then when you have weighed the gold you will know how much silver actually came out of the assay PGM Assays The Fire Assay Home Study Course only talks about gold and silver which comes with the kit

Silver refineries provide an economical and environmentally friendly precious metal recovery service We are scrap silver buyers that specialize in separating silver from other precious metals and waste materials Precious metal scrap such as silver leaf silver metal foil and antique silver

One other note when you are crossing borders you may be presented with a customs declaration form to document what you are traveling with the USA wants you to declare if you have 10000 or more in cash cash equivalents gold silver bonds stock certificates etc