No, the coin was not produced as a "piedfort". Apart from the general circulation coin, it was produced as "Proof in silver FDC" , but it looks almost the same as the general circulation 25 Pence coin, except that it made from .925 silver.
See the link below.
did jimmy carter attend princess dianas wedding
What was princess dianas favorite purse
a tunnel
petty,
charles.
nothing
mcdonalds
It is Spencer
no
sahra, and cheryl
Dodi Al Fayed
It was Lady Diana Charles.