Are these bills authentic? Jay August 10, 2017 20:52 Follow Are these bills authentic? Yes, all our banknotes come with a Certificate of Authenticity. Related articles Blocked countries Are these banknotes valid or canceled? (especially Zimbabwe) Are you guys doing the Revaluation? Currency Exchange? Global Currency Reset? What is a 100 Trillion Dollar Bank note from Zimbabwe worth in US Dollars? Can I buy the two-sided plastic sleeve you sent with the COA? (acrylic coin capsule) Comments 0 comments Please sign in to leave a comment.