While yours has more of the orignal black paint, there was a Bruno padlock sold on Ebay in March, 1999 for $12.32US. While it s not an uncommon lock I think it falls into a classification of ’Poor Man’s Story Lock’. It is not uncommon to see them listed on Ebay although there isn’t one there now. I am guessing that it was made by the Miller Lock Co. which went out of business in 1932. Hope that helps.
BBE.