Each one, except this one!
From Fallen London Wiki
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From: A Dream of Chipped Mirrors
A chip of this mirror is loose, but still in place; take it.
Unlocked with 
The Mirror, Cracked 2
Success
A narrow window
[…]You […] tilt it this way and that, to look inside.
Beyond it is a city of basalt and cinnabar[…] looking through it reminds you of looking through the narrow windows of New Newgate[…]
But when you awake, it is dull and dark. It can live on your mantelpiece.[Find the rest of the story at https://www.fallenlondon.com]
Success Instructions: When you came upon the Parabolan remains of Mr Mirrors, you killed it. This is your reward.
An occurrence! Your 'Dream-Shard of the Mirror of Knives' Quality is now 1!
