Commemorative medals and coins legislation, hearing before Subcommittee on Consumer Affairs, 88th Congress, 1st session, on medals, H.R. 2380, H.R. 3488, H.R. 3575, H.R. 4003, and H.R. 6014 coins, H.R. 1611, H.R. 2621, and H.R. 6026, May 20, 1963.