The bureau “is still following current guidance,” spokeswoman Lydia Washington said in an emailed reply to questions. “The redesign of the next currency series is still in the early stages and the Secretary of the Treasury approves all final currency designs.”

Asked in a CNBC interview on Aug. 31 whether Mnuchin supports his predecessor’s decision to put Tubman on $20 bills, he said: “People have been on the bills for a long period of time,” Mnuchin said. “This is something we will consider.” The top issue to consider when redesigning notes is security against counterfeiting, he said.