Our FW was also made in 1948. Came with dozens of bobbins, all the accessories, a ZZ attachment, manual and other goodies.
It wasn't in as good a shape as yours is, ours was jammed with thread.
Oh, when cleaning the machine, ignore the white oxidation on the lead tube underneath. It's a non issue unless you ingest it. Then it can be hazardous to your health. Lead oxide is a carcinogen.
Joe