Engraved plaque

[Lescarroll]

Just stumbled upon this engraved plaque. It is marked FH and bruegel. There is also another marking of a backwards l and a forward l with what might be a crown over it

 

[A2coins]

very nice piece

 

[Mackaydon]

Les,
Welcome to Treasurenet !!
You may have artwork of great value. It's surely something to pursue.
The initials 'FH' represent the engraver's name: Frans Huys
Here a 'clean' pic of yours:
https://commons.wikimedia.org/wiki/...and_from_The_Sailing_Vessels_MET_DP102238.jpg
Don.....
PS: Frans Huys after Pieter Bruegel the Elder
Four-Master (Left) and Two Three-Masters Ancored Near a Fortified Island with a Lighthouse, 1565