Tricky little egret padlock... Low set pins 1&2 were hard not to overset getting to a high pin 3. Put up a bit of a fight untill the steep hook came out.
Egret 40mm brass padlock
Large Solid Brass 50mm Egret Padlock & 3 Keys – Padlocks & More
Egret Brass padlock Keyd alike 50mm | M.P.Smith and Co