Originally Posted by ACDC1990

Hello, just found my old constellation cornet in its case in good condition which I used in 1968, 69 and 70?? unsure when it was purchased..one of those dates..I was wondering what would be a fair price for something like this if I decide to sell it...The only number I can find on it is on the valve and it is H70032...is there another number which will be more helpful??Thanks