Boris Mikhailov is one of the most influential photographers of the former Soviet Union. Through his superimposed images, Mikhailov has created and extraordinary double world of soviet drudgery juxtaposed with sex and beauty. Previously unpublished due to artistic restrictions imposed during the Communist era. Yesterday's sandwich embodies Mikhailov's role as artist, documentary photographer and social observer demonstrating his rich imagination and practical solutions for survival in an unstable society.