Speaker size, mk2

Can someone please tell me what size speaker was installed in centre console with original mono radio. I want to keep car, 61 mk2 as original as possible, not concerned with modern sound quality, I’m 75 so don’t hear too well. Fixing pins are 180 x 90 mm apart so I’m guessing oval speaker

Ian

Hi Ian, I too am reusing the original radio and speaker from my '63 MK2. Attached is a photo of the oval speaker.

cheers,
Mark in Seattle