CIBJO releases Gemmological Special Report: considers process of separating measurable facts from opinion; See Gemological Articles below.
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 Post subject: Re: This is not a pipe...and this is not a ring!
PostPosted: Wed Dec 17, 2014 10:07 am 
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Not sure if this can be assimilated to a system ring, but you have this traditional type of "bague de foi" with two articulated joined hands opening to reveal a hidden heart...
http://www.pba-auctions.com/html/fiche. ... =&aff=1&r=


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 Post subject: Re: This is not a pipe...and this is not a ring!
PostPosted: Thu Dec 18, 2014 8:36 am 
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nice one, isi.

Here's a funny one: a magician ring
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Himber ring, 1960s. For performing the 'linking rings' magic trick (ring with concealed opening).


Last edited by cascaillou on Sun Nov 03, 2019 11:38 pm, edited 25 times in total.

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 Post subject: Re: This is not a pipe...and this is not a ring!
PostPosted: Sat Dec 20, 2014 12:55 pm 
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And another playful one: a puzzle ring, gold, 1910's
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To solve this puzzle, six linked rings need to be interlocked in the correct order so to reconstitute a wearable ring...which might be easier said than done.


Last edited by cascaillou on Mon Nov 04, 2019 11:06 pm, edited 6 times in total.

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 Post subject: Re: A ring can hide another...
PostPosted: Thu Nov 12, 2015 1:29 pm 
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Whistle ring
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"Davey Adams Shipmates Club" whistle ring toy from short-lived 1939 Lava Soap sponsored radio adventure.


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 Post subject: Re: A ring can hide another...
PostPosted: Fri Nov 13, 2015 6:13 am 
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Very convenient ! :D


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 Post subject: Re: A ring can hide another...
PostPosted: Fri Mar 30, 2018 12:00 pm 
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The one ring that has more fires than a diamond ring:

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Automatic lighter ring, by Karl Rambousek, Austria, brass, circa 1937


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 Post subject: Re: A ring can hide another...
PostPosted: Thu Oct 31, 2019 12:30 pm 
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Commemorative mechanical ring, a tiny spring-loaded Napoleon pops up out of its coffin, gold, 1820s


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 Post subject: Re: A ring can hide another...
PostPosted: Thu Oct 31, 2019 12:44 pm 
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That is astounding!


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