If you don’t know it is a forgery, than you have paid little attention to the numerous other threads here on the subject.
One more time.
1. How do you know it is a forgery, since many birth certificates from the same state have different wordings, appearances?
2. Don’t you think Hillary and other have investigated this fully, and obtained confirming evidence that he was born when he says he was?
3. Circumstantial evidence. His picture is all over the 1979 high school yearbook. He was 18 when he graduated. He was born in 1961. All his high school records give the same POB and DOB. Were they lying about his citizenship then?
Either provide proof of your claim, or let’s stop the Chicken Little foolishness.