In most cases the reason is for the one stated above, but it is always worth checking when buying an instrument.
Ask the seller privately for the number and do a search for that instrument.
In fact, I'm on a 1982 Couf Superba-I tenor now that is also a Keilwerth Toneking Special clone.
To do this, Henri SELMER Paris has met numerous challenges through its investment in research and development, which has allowed the company to streamline their manufacturing process and to standardize certain procedures.
The company has also invested in new manufacturing tools in order to optimize production time.
Since the beginning, the production of Henri SELMER Paris instruments has taken place at their factory in Mantes-la-Ville, France, using world-renowned know-how, their production is unique and authentic as much for the quality of their design as for their respect for the traditional craft of instrument manufacturing.
To respond to the ever-changing needs of musicians, Henri SELMER Paris now offers, with its brand Sele S, a range of instruments adapted to various budgets.
Here are a few things to bear in mind: When advertising an instrument for sale, you will often see the serial number referred to as 36xxxx.