Prize bonds

Salam to all

I want to know that i buy prize bond on 23 June 2017 and that prize bonds are totally new and issue date is also 23 June 2017 But from one of my prize bond number there is a prize bond which is already won a prize on 1 June 2017 while that prize bond issuance date is 23 June 2017 so can I get that 3rd prise now?
Plx guide

Whats the date stamp on prize bond?