the bass has a very easy to see light spot in the shape of a keystone badge,

i just looked at the bass interior and it has a extra hole behind ever single lug on the front side of the drum ( once a center lug drum? ) and the tom mount hole is clearly butchered from the inside and there is chipped wood all around the hole cut for the mount,

it is very very clear that in fact the bass drum and tom did have keystone badges and you can see the bringt spot in the second picture of the tom.

however the floor tom has a B/O badge that appears to be original or very professionally installed. its #'s are 848549 which would make it a 1971 drum. could they have put a b/o badge on just the one drum? or is it a non matching drum?

the thing that's throwing me off is the white paint in the bass drum and not in the toms. That makes me think the toms are older, not newer. It's not hard to get under the bigger badge with a razor blade and get if off without destroying it. In fact, I just did that to a little 18" marching bass drum to turn it 90 degrees so it would look right on a drum set. If you can get a keystone badge from the 60s you can compare it to the light spot you have. If the top of the keystone is narrower on your drums, there was probably the 50s era WFL badges on it.... seemingly making at least the toms from that time. The bass drum I don't know about. A single tension drum would have the single hole for the tension rod holder right in the middle of the drum, not inbetween the two holes under the lugs...?

I don't think there's a picture of the inside of the floor tom or the front inside of the bass drum, but it could be that you have shells from 3 different eras... The small tom could be a WFL from the 50s with the darkish mahogany interior, the bass drum could be a Ludwig from the 60s with the white paint over the mahogany interior, and if the floor tom's inner ply is lighter in color, it could be a late 70s 3 ply with re-rings, after the changed the inner ply from mahogany to maple (77ish?) but before they went to the multiply all maple shell.

Actually based on the info you've provided these appear to be late 60s Ludwigs. The drums with the keystone badge formerly on them would be consistent with the clear maple interiors which were in use by around '68. The white painted interior on the bass indicates slightly earlier or '66/'67, that is, ASSUMING that these were a set bought at the same time. About the bass drum, not seeing in the picture the extra holes you're talking about, I have no idea. It could have had other lugs installed then removed at some point. It looks like from that picture shown to be a normal mid-60s bass interior.