Mollenhauer Contrabassoon Serial Numbers

Hey I just got an Armstrong 90 flute which after 2 days I really like for the price, got it for 115 on ebay. I think it's in great shape, but I don't play flute. I will have someone look it over this weekend.
But the serial number is not matching what shows online. The headjoint has 682. What I think might be the case, and I am guessing is the headjoint is not original? That's all I can figure as the body clearly states Armstrong 90 Sterling head and body.
The serial number is on the headjoint.
Any ideas?

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Mollenhauer Contrabassoon Serial Numbers List

Mollenhauer bassoon 06:34 on Monday, November 21, 2011 Brillat (1 point) Posted. The store cannot however tell me which model it is, although they have a serial number; and as a beginner I have no real way of evaluating the instrument in terms of how it plays. I don't know if they give model numbers. Because they are uncommon it is.

Mollenhauer Contrabassoon Serial Numbers

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The concept of the Fox Company began in Hugo Fox's imagination sometime between 1922 and 1949, the years when he was principal bassoonist of the Chicago Symphony Orchestra. He founded Fox Products Corporation in South Whitley, Indiana, during the summer of 1949 and the first bassoon was completed in November 1951. During the first production year, twelve instruments were finished and delivered. The business included bassoon reed manufacturing, which Mr. Fox had started during the late 1930's. The 1950's saw the addition of oboe reed manufacturing to the product line, as well as continual additions to machines and tools and modest expansion of bassoon manufacturing. The last year of that decade saw the production of 60 instruments, along with 5,000 bassoon reeds and 10,000 oboe reeds. Mr. Fox's failing health threatened to end the young company as the 50's drew to a close. In the fall of 1960, Hugo's son, Alan, decided to give up his chemical engineering career and take over the family business, with his father supervising the assembly and tuning of the instruments. By 1964, however, the elder Fox was no longer able to continue, so the company began to rely on part-time bassoonists for tuning and on a group of prominent American bassoonists and repairmen for technical guidance.