A CDC COVID-19 vaccine card is the latest prized possession. It's your only proof that you've been protected against the virus. But it's just a little white card with hand-written information, meaning it’s super easy to counterfeit. Inside Edition found fake vaccine cards being sold online from $60 to $200. When our producer went to meet the man allegedly selling them, he claimed to have access to more. The FBI is reminding people that it's a crime to falsely use a government seal on a document.