Recycling and ‘upcycling’ is no modern invention, industry has been doing its for decades. A case in point was the company responsible for braking up titanic’s famous sister ship, the RMS ‘Olympic’. 

Originally manufactured around c-1911/12, for 1st or 2nd class staterooms for use as carafe and glass holders to keep its contents in place on the ship during rough weather. Later these were converted after the ships scrapping by Thomas Ward’s into wine or glass coasters, and sold in up scale department stores from the mid 1930’s onwards.

Wards had lots of these holders from the passenger staterooms so they converted them into more desirable wine coasters to sell as souvenirs. You can see from the base and side where the wall mounted brackets would have held this in place. These examples stamped on the base:-

'ex R.M.S "Olympic" TWW' - the 'TWW' for Thomas Ward Works.