I would have to agree with BB here, it does look like a conversion from electric to petrol has taken place at some stage....Here is an image of what it may have looked like in an earlier life....
You will notice that this Model 16 'Queen' was first introduced in 1950 and this image is from 1951 Quite an old lady.
Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member. Kindest Regards, Darryl