My understanding is that the really old ones are earlier than that and have no date on them at all. I believe the undated ones are the most highly valued.
> OK, this is not really a "fool and his money are soon parted" sermon, but
> rather can some one tell me that exact years that the older (NR) style SR
> rear derailluers were made? I thought, 1975 to 1979. is that correct? Cheers,
> Dave Anderson