I was able to get a better look at the patent engraving, which is fairly worn. The last three dates appear to be 07, 06, and what I thought was 00 could be either 08 or 09, but in that order. I compared the out-of-sequence 06 to other number 8's engraved on this line, and it still appears to be 06, not 08, but this is the absolute best I can determine from this worn engraving. I know the patent dates being out of order is not usual,so I will take it to someone local with better magnification equipment and get another opinion. As for a posting a photo, I'm new to this site and don't know how to post photos here. I'll be glad to do that if someone can guide me a bit. Thanks for the help on this.