Elizabeth is shown having a labradoodle as a pet in 1950-1953 (based on the Korean War being ongoing). The first labradoodle was bred in 1989 in Australia.
The Christmas tree has LED bulbs with clear bright colors. However, in the 1950s Christmas lights used incandescent bulbs with an internal somewhat opaque paint coating.
Six thirty the dog is a golden doodle. Test breed of dog was not bred until 1989, 38 years after the dog is first shown.