Victoria Nobis Est & Grading Overstruck Coins

I really like these and the more of the host coin showing the better.
My understanding is normally collectors are looking for examples without the host coin showing and will pay a premium for them.
Here's a link where I asked basically the same questions as you.

http://goccf.com/t/230662

Cheers, Bill

This inquiry opens a bucket of worms which I have previously addressed on similar threads.
At present, I am unaware of any uniform consensus.

I am of the opinion that the grade of the host coin should not be taken into grading consideration.
The grade of the coin should only reflect the grade of the latest strike. An MS technical grade
(or any grade)should remain the same whether or not the host was struck from an old worn coin or a fresh
planchet. An MS technical grade (or any grade) of the final strike should not be lowered simply because
the host coin is a Fine or lowered even more if the host coin is a Poor. I am aware that some will disagree
with this opinion.
The restrike should be noted on the insert.

doug

Right or wrong, I would ignore whatever the condition of the host coin is.
I would grade the recent strike only and note being overstruck.

Many tokens are poorly coined. On certain series, many VF's are actually in MS.
The lack of detail is not necessarily attributed to wear, but may be the result of
a poorly manufactured die. (i.e., the Tiffin half pennies). Many tokens can not
be graded according to normal decimal coinage standards.

doug