All we know about these fascinating photos of London in 1972 is that they were more than likely taken by an American tourist.
They are from the collection of Glen F who has a fabulous collection on Flickr and who says of the photos:
“I’ve found that Americans tend to take pics of ‘mundane’ things that us Brits would take for granted and never photograph, like the sandwiches! So you often end up with some unusual subjects showing regular everyday life”
ALK3R 
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Reblogged this on Musings on Life & Experience and commented:
Great photos of London in the early 70’s.
This makes me feel nostalgic, and I’ve never even lived there! 😛
Interesting. The women are wearing dresses.
I just missed the 70’s being born in 81 so this is really interesting for me. I loved C&A!
Noticed a lot of brown and beige back then and women in headscarves!
Amazing to see the difference, especially in the price of sandwiches. Great photos what a treasure.