The Olympic was added in 1963 and was recently retired. This
example features black, yellow and red stripes on a light blue field.
The National Park label is the current style label, but
the Pendleton label includes the 3 sphere "WOOLMARK"
that places it in the 1970s or 1980s.
A limited issue blanket with a very similar but different name, appearance
and label is the Olympiad, created for the 1932 Summer Olympics, officially known
as the Games of the X Olympiad, held in Los Angeles, California.