The only one of it's kind known with the F S 101 DDO 001 and a DDR on the same silver proof Ike dollar.  1973 S Eisenhower Dollar doubled die REV DDR and doubled die OBV DDO 001 error variety coin. Doubled die REV shows doubling on 4 stars, FG, ALR of DOLLAR, Minor notching on UNITED STATES OF AMERICA, BUS of E PLURIBUS. Doubling on leaf south of FG, also south of it below FG.  See pix. Offers are welcome. If you would like more pix. of UNITED STATES of AMIRICA etc. let me know and I can send them to you. Thanks, Kristen.