www.925-1000.com

Jag, The data here is significant, awkward to explain in a few lines, I would suggest if you Google Handheld xrf for art and archaeology there is a breakdown as what to expect with period pieces, I have the book which shows more data as some pages are missing from the Google section, but it does giv...

Just had the results of 6 buttons so far, please note button 4 is from another set from America, will post these buttons within the next week or so. Note button No-3 has Erbium in the solder, Erbium should be above the 5.5 ppt , never seen such a mixture of results for a set of buttons, melted down ...

Hi Trev,

Well I am hoping that some of the knowledgeable people popping in here now and then may be able to offer some useful information, things are going in the right direction, but it does take time.

Steve

Latest update here is the X-Ray Fluorescence Spectroscopy carried out by The Goldsmiths Company assay office Button----- Silver 928.0 ppt, copper 67.9 ppt, lead 4.1 ppt Loop------- Silver 925.6 ppt, Gold 3.2 ppt, copper 67.7 ppt, lead 3.5 ppt Solder----- Silver 695.7 ppt, copper 229.6 ppt, lead 3.4 ...

Here's the best pictures I will get of the makers mark, as you can see his mark got progressively worse, it seems the punch he used was not up to standard and became flat towards the end. He also did not get the punch flat before striking on some, the others show a bounce after the strike making a d...

Have now taken some better pictures of the silversmith's mark & the engravings, note the hammered detail when the silversmith was flattening out the plate http://www.925-1000.com/td/f/Trash/But-1.jpg http://www.925-1000.com/td/f/Trash/But-2.jpg Awkward medium to photograph

Hi Trev,

This button has the clearest touch mark of the silversmith



Steve

Hi WarrenKundis,

Thanks for that, I can only get better I think?

Hi,

Sorry about that last link in my previous post, please try this one https://plus.google.com/u/0/photos/1149 ... 1873635009

Better luck this time

Hi to all, I have been researching these buttons for 7 years now and could really do with a little help, Ideally looking for similar items with the touch mark of the silversmith IP within a rectangle. About these buttons. I bought them off a gentleman from Connecticut, there are 6 large buttons and ...