Slingerland marching drums - (Fergus falls, MN in Fargo, ND

I have four marching drums, they are all Slingerland, they are date stamped inside, I dont remember off hand the exact date, but I know they are [removed phone]. All have badges, their are three complete, and one is been taken apart, I do have a box of hardware for this one, should be plenty of parts to complete the fourth, and all have wood hoops, one s