Dating Campag Chrous Hubs? BINGO!

[deliquium]

Does anyone know what years these NOS hubs are from? Chorus began in 1987 and had a different shape barrel - I had some back then and they just had the winged wheel logo stamped on the shells.

The dust caps are slightly domed and the lock nuts are stamped 66.

Any help appreciated.

 

[deliquium]

Model No: HB CH015 only produced in 1999

So the stamp on the locknuts is in fact 99!