1807 is the pattern number, not the date.

If you get lucky and find someone that likes and collects this pattern, maybe worth $25 to $40.

It has a stamp on the bottom that says "Smith Taylor U.S.A" and written underneath that it says "1807"

http://puu.sh/8IH5P

http://puu.sh/8IH3N

http://puu.sh/8IH1U

http://puu.sh/8IGX4