dating with girls in islamabad - Silver hallmark dating
After the adoption of the sterling standard, pieces were marked with "STERLING", the number "925" or the notation "925/1000".While American manufacturers did not apply assay marks, city marks or date marks, they did apply a maker's mark. The old hallmarks were as unique as today's logos, and disputes often arose when one company copied another's stamp.
Since these could vary considerably in purity, from around .750 millesimal fineness to around .900, silver known as "coin silver" varies in purity.
Silver at that time was sometimes marked "COIN" or "PURE COIN", but can also be without a standard mark altogether.
Hallmarks are often confused with "trademarks" or "maker's mark".
Hallmarks are not the mark of a manufacturer to distinguish his products from other manufacturers’ products, which is the function of trademarks or makers' marks.
The name of the artist or manufacturer may now be used for this." Between 18, Austria-Hungary and later, Hungary used the crescent moon crowned head of antique greek heroine Diana as the hallmarking symbol of legal silver alloys.
The head was encircled by a frame, optionally composed of convex, concave and straight lines.
Hallmarks are applied with a hammer and punch, a process that leaves sharp edges and spurs of metal.
Therefore, hallmarking is generally done before the piece goes for its final polishing.
One concave line represented 140/1000 fineness, a straight one 150 and a convex one 160.Tags: Adult Dating, affair dating, sex dating