Jean Cartier model horns are stencils made by DOLNET of Paris, a small, French hornmaking firm no longer in existance, but coparable to SML, Selmer, Buffet etc. The most notable performer who used a Dolnet model Tenor was Don Byas, and for a very brief time period, Lestor Young. Stencils are horns made by one firm, to be engraved with the name or "Stenciled" and sold by another company, such as another instrument maker, a music store, department store etc. In general, many European Stenciled horns are made to the same exacting standards and materials as the original models the stenciled horns are copied from. Amercian made Stencils can very quite a bit from first rate, to substantially lesser quality copies. Dolnets from the 40s and 50s are considered quite good, hand made horns. Towards the end of the 60s, the quality began to drop, but it should still be a nice, good playing horn.