From the 1962 King Catalogue No. 21:
Look. And listen. the round, lyrical sound of this King Master Model reveals its true beauty. The tones are pure and clear...from a velvet softness to a bell-like brilliance. The traditional cornet lines, with gently sweeping mouthpiece pipe, insure the rich sound. Intonation is flawless. Valves are lightning-swift. Combine this beauty and tone quality with truly rugged construction, and you have an instrument worthy of the name King. You play relaxed, and know this King Cornet will delivery all you ask.
The sterling Silver Bell offers a "darker" sound with more overtones. It is a richer sound that carries farther with less effort. And the tone will not crack.
King Master Model Cornet 1065S
The standard of cornet perfection. Designed for the critical artist. Solid Sterling Silver Bell response instantly, gives precise control, projects farther. The sound is richer, "darker" with more overtones and the tone will not crack - ever.
It would be difficult to say it better, but King has long made some of the best instruments on the market. Let the complete construction of King be your next choice in cornet. You'll like the way you sound.