[chinesempire]

I think that "it's not the original since 1550" it's an overstatement

The copy was made at roughly the same time of the original, so it is a great reference for how it should look, but the techniques used for the original Last supper are so different that they are very different in terms of its importance and the difficulties to preserve it and the fact that Leonardo made it explain why the original suffered more damages throughout history (it was simply more famous)

Like the Amphitheatre of El Jem, that was used to film The Galdiator, and the original Colosseum.

We're lucky we have an almost exact copy to look at, that's for sure.