I went after a pair of speakers I seen today on CL. I get there and see they are JBL 030 but one cabinet doesn't look right. They were huge home built cabinets, I couldn't get them in the car so I opted to just remove the drivers. PITA since the builder didn't create a way to remove the drivers if need be. I pulled the one and there was a 075 and D130 as usually. The other cabinet contained something very very early. So here it is something you just don't see everyday. A 1948 D101. I am not sure what to do with it, as it is a rare find but I don't have a mate or a mono speaker that I can use it in, then the cone is toasted. Had to share.