Reverse of a 1934 Daniel Boone half dollar.  This particular coin is the variety without "1934" in the field (to the right).
United States Mint/Henry Augustus Lukeman
<a rel="nofollow" class="external free" href="https://www.usmint.gov/coins/coin-medal-programs/commemorative-coins/daniel-boone-bicentennial-half">https://www.usmint.gov/coins/coin-medal-programs/commemorative-coins/daniel-boone-bicentennial-half</a>