Beautiful 1965 PL Canadian Silver Half Dollar

1965 PL Canadian Silver Half Dollar with very slight toning starting.
The obverse is the Queen showing more mature facial features and wearing a tiara that was introduced in 1965. It was designed by Arnold Machin and Thomas Shingles.
The reverse is the Canadian coat of arms which received approval in 1957. It was designed by Thomas Shingles
The mintage was 12,629,974