| http://www.w3.org/ns/prov#value | - Single or multiple color coatings 36, 37 may be provided.A vacuum metallizing layer or coating 45 may be provided (FIG. 6); said coating or layer 45 may be of gold, silver, aluminum, nickel or other metals, vacuum or otherwise deposited onto coating 41 (FIG. 6) or onto coating 36 by thermal evaporationor cathodic sputtering techniques, applied in vacuum chambers; gold, red and other metallizing co
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