Forum des Musikinstrumenten-Museums Markneukirchen

Received email from Gebruder Moennig & Oscar Adler & Co.
Contrabassoon made in 1966.

I have huge vintage contrabassoon Oscar Adler in good condition. Serial number 1049. Bell silver plated.
Who know when this instrument was made?

Photo of bell:

I have Johannes Adler tenor sax. Rare horn. I have never seen similar saxophone.

Who know how much baritones "Weltklang" was made? I saw last serial number 9 or 10 000 (excactly do not remember) (exist separate serial numbers for baritones and other saxophones). What stencils exist ("Weltklang" baritones with other trade mark) ? I saw "Sonora", "Berg Larsen", "Luxor" baritones. ...