A highly respected locksmith told me that these padlocks were made by Master for a short period of time in the 1940-1950 years adm are somewhat rare.
The lock is in good condition but does have some pock marks on the case.
The key and back of the case are numbered 623 and the keys works very well.
The lock has 2 levers and 2 wards and there are 24 key changes.
The lock measures 1 3/4" x 2 7/8".
Ship to United States only. - eBay
This padlock sold for $13.52 (Plus $3.50 Shipping).