Complex sentence: The resulting bill had no gold provisions, but authorized changes to the reverses of the quarter, half dollar, and dollar for the Bicentennial, with the coins to bear the double date 1776--1976.
Split into simpler sentences: The resulting bill had no gold provisions, but authorized changes to the reverses of the quarter, half dollar, and dollar for the Bicentennial. The obverses of the three coins would not change, but would bear the double date 1776--1976.