It is also marked 535-414980 and an EM date stamp. Needs a good cleaning but seems intact other than that.
Good grief, I opened it up and found this...
You are putting together some interesting reels. Looks like the last one is a "victim" of the "goop it" method of reel lubrication (i.e, if a little lube is good, then a ton of it will be great!)
Frank
That`s a dozen reels worth of grease !