The next generation of tags was crescent shaped with a blue field and black writing. These were introduced in the mid-1950s and were used on both the individual coffee can type filters and the new “Three-in-One” type air cleaners which had a single long housing that contained all three individual filter elements. These tags had a chord length between the rivets of 51mm. Early F.I.S.P.A blue and black crescent shaped tags with the 51mm chord length.
The Dunlop master cylinders had a small plastic “zip tie” parts tag embossed with the part number and the date of manufacture. This is a very detailed reproduction of a 275 GTB original. Dunlop Master Cylinder I.D. Tag
In the early 1950s the “street” cars used three of the two-barrel Weber carburetors. The air cleaner assemblies were supplied by F.I.S.P.A with a small aluminum F.I.S.P.A tag riveted to the tops. Two-Barrel early regtangular F.I.S.P.A air cleaner tag.