...........I have a pair of these "early" shifters(including Mickey Mouse Ears wingnuts) and have often wondered what their age may be. The large red washer is printed Brev.Int.Campagnolo, the only difference is that on my levers the logo Campagnolo is engraved rather than embossed, regards Griff King-Spooner (London UK)........freezing, Nanook of the North weather!