That is a Viva SL OHV console top. It should have a VIVA SL badge there. A Magnum console should have 2 light switches there and an earlier Firenza / Viva OHC console has 3 switches.

The OHV console also has the coin tray in front of the gear lever at the wider end and the OHC console has the tray at the narrower end near the handbrake.

"When you have a Firenza like mine who needs any Minis?" Copyright David Maxwell 1979.