It began life as a piece of edible seaside rock with ABERYSTWYTH written right through it as red letters in a cylinder of white toffee, coated in red. In its tangible form it is any piece of card On the reverse is written the imaginary rock foundation is yours though you cannot belong to it (because it is smaller than a person). say 150 mm by 100 mm carrying the name the imaginary rock foundation in any language you like y sylfaen graig ddychmygol la fondation roche imaginaire though in english it has allusions to both change and to stasis that do not translate into other languages. the invisible basis for everyone to see everything as art