1861 US - Washington Constitution Obligatory - Philadelphia Mint Allegiance Medal by Anthony Paquet. Obverse: �THE CONSTITUTION IS SACREDLY OBLIGATORY ON ALL" - Undraped bust facing right. Reverse: U.S. MINT / OATH OF ALLEGIANCE / TAKEN BY THE / OFFICERS AND WORKMEN / SEPT. 2. 1861 / JAS. POLLOCK, DIR. � Six line legend surrounded by olive branch wreath. UNC, Bronze, 30.4 mm, plain smooth edge, probably a 1970�s restrike by the US Mint. This medal was designed by the engraver Anthony C. Paquet and struck at the Philadelphia mint to commemorate the completion of the requirement that all mint personnel swear an oath of allegiance to the constitution. The requirement was completed about five weeks after the union defeat in the first battle at Bull Run (July 21, 1861).