Che Guevara is familiar, but what's that bar across his face?
As Maxwell Smart would say, would you believe it's a chrome trim piece on an old Buick door. There. Now that you know, you see the door handle in the upper left.
This was one of Scott MacEachern's photos of historic Havana. Taken in 2015, these were recently on display downstairs at the Central Branch of the Vancouver Public Library.