ⓒRebecca Bugge, All Rights Reserved
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The church now most famous as the home of Bocca della Verita. Another note of interest is that in this church the skull of the saint St Valentine is kept. (I did not care to stand in line for the first one - but the second can be seen here: www.flickr.com/photos/dameboudicca/7462731122
The church itself was founded in 782, and it saw some later additions all the way up to the 12th century. Actually the church got a Baroque make-over too in the early 18th century, but all that was removed in a renovation in the late 19th century.