Floor Tiles (Fairlands GU3)

Sparkly black used tiles recovered from bathroom floor. These are nominally 1ft. square (304 mm) and 10mm thick.
They're black with a 'sparkle' effect - gold/bronze flakes, which are difficult to illustrate. (I've scanned one piece but it looks dark!) All have had cement / adhesive removed.
10 of these are now gone leaving:
5 tiles fully intact
5 whole but blemished (e.g. small scratches or have holes or chips) illustrated as '2nds')
17 are cut pieces with intact surfaces
...and there are a few more cut 2nds

Collection from Fairlands, Guildford GU3