He proposed placing rays around the heraldic eagle on the reverses of the quarter and half dollar , and arrows by the date for all of the affected denominations .
Longacre was asked to alter Gobrecht 's designs so new coins could be distinguished from old .
Gobrecht proposed placing rays around the heraldic eagle on the reverses of the quarter and half dollar , and arrows by the date for all of the affected denominations .
Longacre was asked to alter Gobrecht 's designs so new coins could be distinguished from old .