does anyone know when the kt marks were used in rings ?

[wwwtimmcp]

I found a ring with deep initials etched in, it is marked 14k. I am wondering about what time this mark started being used. I also wonder if the ring could also have been used to mark wax seals on envelopes or dispatches. I appreciate any help.

 

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[Mackaydon]

Hallmarks have been in use in England and France since the 14th century. Most other European countries also use hallmarks. The United States has never used hallmarks per se. Indications of fineness or karat have been required since 1906, but fineness marks were sometimes stamped on silver jewelry in the 19th century (“coin” or “standard” for 900 silver, “sterling” for 925).
Source: http://www.modernsilver.com/basichallmarks.htm
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