not sure what the AMA stands for but the 925 just signifies that its sterling silver.
Sterling silver is a specific type of silver that contains 92.5% pure silver and 7.5% other metals, usually copper. Pure silver is 99.9% silver with no other metals. The presence of a "925" stamp or hallmark on the piece indicates that it is sterling silver, while pure silver may be marked with "999."
Unless its also marked .925 or sterling its probably worth less than $10.00 as its just silver plated
just google sterling silver jewelry
Those marks mean that it's .925 (sterling) silver and was made in Italy. The intrinsic value of the silver would depend on weight, but can be less than the market value of the item. For example, a very old piece of silver jewelry from a historic period, or one designed by a famous dead artist, could have value to collectors. A valuation can be done by a qualified appraiser, and requires more information than just the alloy of silver used (the .925, aka sterling).
It just means that parts of the watch case or dial has elements that include sterling silver, whether solid or plated.
Sterling silver is different than silver plated because it is solid silver, meaning that the silver is in every part of the object, although it can have different elements mixed in. Silver plated is just a coat of silver on the outside of varying thicknesses.
No US coin has been struck in "Sterling" silver. Coin silver is used which is 90% silver and 10% copper. A 1963 dime is very common and most are valued just for the silver about $2.00.
f you mean a US quarter dated 1964 it's not sterling silver, it's coin silver (.900 silver & .100 copper) and value as of today is $3.25 just for the silver
We've been designing and making sterling silver jewellery for many years, we're here to give you few points to consider before buying one. Fine silver is 99.9% pure silver. In this form the metal is beautiful and suffers from minimal tarnish, but it's generally too soft to use for designer jewellery. Silver is generally alloyed with copper to create sterling silver, which is 92.5% pure silver and 7.5% copper. The percentage of fine silver is why you will sometimes see sterling silver referred to as '925 silver' or hallmarked with a 925 stamp. Determining Authenticity: Sterling silver is almost always marked with a small engraving of 925, .925, or 92.5. This is one of the ways to know if it is real sterling silver. Confirm if the jewellery is “Sterling Silver” or " Silver Plated.": If it is silver plated that means jewellery is not sterling silver. It just coated with in silver for appearance. Speak to the seller and confirm the size: Since most of the sterling silver jewellery are sold online, it appears big in the picture than actual. Prefer Online Store to buy: Online stores have less overhead cost to run the business so they can offer good price. You can try Amazon, Etsy etc and compare prices.
If you mean a US quarter dated 1962 it's not sterling silver, it's coin silver (.900 silver & .100 copper) and value as of today is $3.25 just for the silver
Silver is generally just known as silver. Silver items that are sterling silver might be stamped with 925 (referring to the fineness of silver), Sterling or have a system of hallmarks that can be identified as silver. Keep in mind that things such as "nickel silver" or "German silver" are actually copper alloys and contain no silver at all!