How old is Boosey and Hawkes Marlborough clarinet serial number 216076?

To determine the age of a Boosey and Hawkes Marlborough Clarinet with serial number 216076, you can refer to the company's production records. Typically, Boosey and Hawkes serial numbers from the Marlborough range suggest that this clarinet was made in the late 1960s to early 1970s. For a precise year, it is best to consult a detailed reference guide or contact a music instrument expert familiar with Boosey and Hawkes instruments.