15thc perception on swallowtail merlons?

[eggyk]

I've added library names to the list on the google map to make it a bit easier to see what's on there You are not allowed to view links. Register or Login to view.

To be able to add something to the map, I need a city or at least a region of production.

For the Map of Acre I posted, Pietro Vesconte was born in Genoa, signed himself as "Petrus Vesconte de janua" but produced his works while living in Venice. 

So it was almost certainly made in Venice, like many other examples on the map