TRASH:an unknown item

From Mortal Realms Mud

an unknown item is type trash, extra flags none.
Weight is 1, value is 5, level is 8.
Wear locations:  Carry only.

The fixed item is now just about as much of a mystery
as it was when it was broken. The only new thing about
it is the plaque on the bottom.

• plaque:

On the plaque is engraved the letters 'MURTNEC'

>murtnec
You say the word 'murtnec', but nothing happens.