Birmingham Platinum Hallmark

PHOTOS REQUIRED - marks + item
yorkish
Posts: 10
Joined: Fri Nov 13, 2020 8:51 am

Birmingham Platinum Hallmark

Postby yorkish » Sat Nov 21, 2020 10:17 am

I have a platinum wedding ring clearly hallmarked as Platinum Birmingham 1975
However there is no standard mark.
Does the Orb tell me it is 950 or 999 standard?
Or is the (rather large) 64P stamp indicative of the standard?
If it's not, what is it?
I'm a bit confused with it and would appreciate some help please.
Any thoughts about the SH sponsor?

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silvermakersmarks
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Location: Hertfordshire, UK
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Re: Birmingham Platinum Hallmark

Postby silvermakersmarks » Sat Nov 21, 2020 10:54 am

Modern platinum marking includes a millesimal fineness number but when platinum hallmarking was introduced in 1975 there was a single standard of 950.

Phil

yorkish
Posts: 10
Joined: Fri Nov 13, 2020 8:51 am

Re: Birmingham Platinum Hallmark

Postby yorkish » Sat Nov 21, 2020 11:16 am

Thank you, much appreciated.

dognose
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Posts: 44517
Joined: Thu Dec 29, 2005 12:53 pm
Location: England

Re: Birmingham Platinum Hallmark

Postby dognose » Sat Nov 21, 2020 12:39 pm

Maker is very likely to be Samuel Hope Ltd. of Warstone Lane, Birmingham.

Trev.


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