This wonderful old photo of Pennsylvania Avenue in 1957 shows President Eisenhower and Queen Elizabeth in an old Lincoln Cosmopolitan.

Queen Elizabeth and President Eisenhower in 1957
Queen Elizabeth and President Eisenhower in 1957

Source: Flickr user Dave Gelinas

And here’s another.

1950 Lincoln Cosmopolitan Presidential Limousine - Bubble Top Parade Car - Presidential Motorcade - President Eisenhower - Queen Elizabeth - United States Visit - Washington DC - October, 1957
1950 Lincoln Cosmopolitan Presidential Limousine – Bubble Top Parade Car – Presidential Motorcade – President Eisenhower – Queen Elizabeth – United States Visit – Washington DC – October, 1957

Source: Flickr user Dave Gelinas

1950 Lincoln Cosmopolitan - Presidential Limousine - Bubble Top Parade Car - Presidential Motorcade - President Eisenhower - Queen Elizabeth - United States Visit - Washington D.C. - Circa 1957
1950 Lincoln Cosmopolitan – Presidential Limousine – Bubble Top Parade Car – Presidential Motorcade – President Eisenhower – Queen Elizabeth – United States Visit – Washington D.C. – Circa 1957

Source: Flickr user Dave Gelinas