The last two digits of the date are to either side of the imperial orb. I'm thinking '04, so likely 1604 AD. Our @tdz, is really good with Polish stuff, so I'm hoping that he weighs in with his opinion too.
"If you climb a good tree, you get a push." -----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed." -----King Adz