"FILE - In this Nov. 9, 2015, file photo, Arizona state Rep. Mark Finchem, R-Tucson, right, speaks during a Joint Border Security Advisory Committee at the Arizona Capitol as Arizona House Speaker David Gowan, R- Sierra Vista, listens in Phoenix. Backers of a proposal exempting the sale of U.S. gold coins from state capital gains taxes brought in former congressman and presidential candidate Ron Paul on Wednesday, March 8, 2017, to tout their effort at the state Senate. Rep. Mark Finchem's House Bill 2014 is the latest effort to exempt gold coins from taxation. The Oro Valley Republican argues that taxing exchanges of ""legal tender"" like gold coins is a tax on money alone and also is essentially a tax on inflation. (AP Photo/Ross D. Franklin, File)"
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