Complex sentence: He was involved in the distribution of commemorative coins from the Columbian half dollar of 1892 to the Panama-Pacific issue of 1915, and would be the sole distributor of Louisiana Purchase dollars.
Split into simpler sentences: He was involved in the distribution of commemorative coins from the Columbian half dollar of 1892 to the Panama-Pacific issue of 1915. He would be the sole distributor of Louisiana Purchase dollars.