I agree with the numbering being wrong. I Don't know why this is MP23 when its just a variation of MP20 and a nothing character. Glad I am not collecting all the MP's.

As a side note, if anyone wants Marlboro waterslide or vinyl decals for this you can get them for 1:18 scale model cars on ebay (about $10-$15 a set). They are made for all the HDT cars that were sponsored by Marlboro during the 1970's and 1980's. They are good quality as I have got some for the Brock cars in my collection.