The 100 DJC poker chip. It contains your own unique public address in the form of a QR code.
Public addresses are used to receive crypto currency. It is perfectly safe and normal to display, send or give out your public address.
You will receive this chip for every block purchase of 100 DJC.
Purchasing 150 DJC would get you a 100 DJC chip and five 10 DJC chips
Purchasing 349 DJC would get you three 100 DJC chip and four 10 DJC chips and one metal business card.