Actually, Chris...
I made a mistake when I typed my reply...yours should have the Swiss Cross/Sunburst...these were made first and the Swiss Cross/Shield did not start to appear until around 1909...
I should not reply when I am in a hurry and tired...
Yours should be similar to this photo :
My apologies...
Pete... <img border="0" alt="[typing]" title="" src="graemlins/yltype.gif" />