Value of 1964 olds cornet
Maybe they need some valve oil? The serial# puts the horns manufacture year of 1935. The valves do move but the 1st and 3rd valves are sluggish on the return up. Its pretty badly tarnished but nothing is missing. Six individual yearly production rates are plotted above, and it is projected that the closest estimate of the actual year of manufacture can be.
#Value of 1964 olds cornet serial numbers
In addition, an estimation of monthly output in the early part of the century and a correlation of serial numbers with patent dates which appear on certain York instruments has been taken into account.