| http://www.w3.org/ns/prov#value | - The topcoat can have, for example, a total solids weight of about 500 ??g. [0046] Following the formation of the topcoat layer, a layer of gold is applied onto the topcoat layer by any method known to those having ordinary skill in the art, such as for example, by sputtering, plasma deposition or spraying a gold suspension in EVAL. Example 2 [0047] A composition can be prepared by mixing the follo
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