Minutes after Treasury Secretary Steven Mnuchin said Wednesday that he was delaying the new Harriet Tubman $20 bill until 2028, a New York designer tweeted: "We'll see about that."
Dano Wall, 33, has created a 3-D stamp that can be used to superimpose a portrait of Tubman over Andrew Jackson's on $20 bills. Wall said he has sold out of the stamps and is hurrying to produce more.