This is almost exactly what happened with my great aunt where the newer document was eventually overturned because it wasn't consistent with the earlier records and how those had been created. Basically, you can't write a will on a napkin on your deathbed and rescind a signed, notarized, legal document.
Sure you can.
let me guess which side you are defending....what is the going rate for probate attorney's? I am sure there is a huge range but i remember paying in the 1000's as a bank trying to defend our claims of PG's against family etc.
I defended the sign notarized legal document from the bat*** crazy sister.