Marked "GB" and "PATENT".  See front.  Im assuming this is from Great Britain.  Most likely from the 1800's.

EXTRA LARGE...4 1/4" tall and 3 1/8" wide.  Usual wear for an antique lock.  Patina as seen in pictures.  Logo shows on door.  No key.

GOOD CHANCE FOR A COLLECTOR AS THIS HAS A FANTASTIC LOOK ABOUT IT.

I WILL BE LISTING SEVERAL ANTIQUE PADLOCKS OVER THE NEXT FEW DAYS.  PLEASE SEE MY OTHER LISTINGS.

Location D3, MER, FBMP