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<p>[QUOTE="DragonflyWink, post: 378715, member: 111"]Your mark is a rhombus (a parallelogram with four equal sides), and to my eye appears to be a square (having four 90 degree angles) turned on point, it is not a lozenge, which is a rhombus with two acute and two obtuse angles, the acute usually 45 degrees - it is probably a manufacturer's mark, may or may not have originally had something in the center, but truly doubt if the maker is of any importance on this ring. Extremely unlikely to be American, and it's not French, but as to it's origin, several suggestions have already been made, personally have only run across a '417' on Italian gold chains, but am sure they're found elsewhere - you could just keep searching for others with the same mark and a firm attribution, but it hardly seems worth the effort.</p><p><br /></p><p>Regarding the 'diamond' plumb gold mark, can't say I've ever heard of it, no idea of other countries, but don't believe the plumb gold designation was used here before the late 1970s-early '80s - as for being from Israel, I've seen 10K gold from there, and see no reason an Israeli manufacturer couldn't use a numeric fineness, but there's nothing that particularly says 'Israel' about this piece (and while there were certainly Jewish gold/silversmiths in Palestine in the '20s, but there was no State of Israel until 1948).</p><p><br /></p><p>'417' mark on an Italian chain: </p><p>[ATTACH=full]130582[/ATTACH] </p><p><br /></p><p>~Cheryl[/QUOTE]</p><p><br /></p>
[QUOTE="DragonflyWink, post: 378715, member: 111"]Your mark is a rhombus (a parallelogram with four equal sides), and to my eye appears to be a square (having four 90 degree angles) turned on point, it is not a lozenge, which is a rhombus with two acute and two obtuse angles, the acute usually 45 degrees - it is probably a manufacturer's mark, may or may not have originally had something in the center, but truly doubt if the maker is of any importance on this ring. Extremely unlikely to be American, and it's not French, but as to it's origin, several suggestions have already been made, personally have only run across a '417' on Italian gold chains, but am sure they're found elsewhere - you could just keep searching for others with the same mark and a firm attribution, but it hardly seems worth the effort. Regarding the 'diamond' plumb gold mark, can't say I've ever heard of it, no idea of other countries, but don't believe the plumb gold designation was used here before the late 1970s-early '80s - as for being from Israel, I've seen 10K gold from there, and see no reason an Israeli manufacturer couldn't use a numeric fineness, but there's nothing that particularly says 'Israel' about this piece (and while there were certainly Jewish gold/silversmiths in Palestine in the '20s, but there was no State of Israel until 1948). '417' mark on an Italian chain: [ATTACH=full]130582[/ATTACH] ~Cheryl[/QUOTE]
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