The numbers in the brackets are in the stars, yes.
1885/1 looks like notation for an overdate - i.e. the 5 is engraved, and/or punched, over an earlier 1. I have no idea what this might look like and don't have the time to check right now, but I can try to look for some examples in the morning.
1885/1 looks like notation for an overdate - i.e. the 5 is engraved, and/or punched, over an earlier 1. I have no idea what this might look like and don't have the time to check right now, but I can try to look for some examples in the morning.




















