theekman
Sr. Member
- Jan 1, 2013
- 461
- 177
- Detector(s) used
- garrett ace 250
- Primary Interest:
- All Treasure Hunting
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"Colombian silversmiths use this shield device (the cartouche for the initials) and they write the purity of the silver as "0,900" which is how it is written on yours." Source: http://www.justanswer.com/antiques/7zg1k-id-silver-makers-mark.html Don......
<img src="http://www.treasurenet.com/forums/attachment.php?attachmentid=1033459"/>
Cleaned it up. I tested it and it and acid turns into a brownish color, is that what 900 is supposed to turn?
I dont have an gold acid
I tried it out on a 90% coin n turned about the same color.