Ferrari had a long relationship with the Shell oil company. A lot of the early cars had some type of metal tag in the engine compartment specifying the type of Shell oil to be used. 250 GT/Berlinetta/4.9 Shell Oil Tag. 172mm x 76mm
There is a small gold – colored metal tag, 14x34mm, riveted to the top of the filter mounting bracket. I have seen different patterns of these tags; this is a perfect duplicate of one. F.I.S.P.A Fuel Filter Housing Tag
These are aluminum tags that were used on the early 1950s cars. The reservoir mounting bracket had four tiny slots and the end tabs of these tags were inserted into these slots then bent to hold them in place. The brake fluid was very corrosive so few of these tags survived. Early Brake Fluid Reservoir Aluminum Tag.