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<p>[QUOTE="Bronwen, post: 9724542, member: 5833"]Your observations are all spot on. I'm using 'undercutting' to mean any place that is separated from background or from other elements such that it would make it very difficult to remove a piece intact from a rigid mold. This can be added with some hand finishing, but the absence is a feature suggestive of a molded piece. The real diagnostic of a molded piece is another piece identical to it in every last detail.</p><p><br /></p><p>Weird thing is, these all have the smooth contours of a molded piece, but, while they clearly derive from the same primary image, no 2 are identical.</p><p><br /></p><p>[ATTACH=full]472211[/ATTACH]</p><p><br /></p><p>The top 2 could be from the same mold with individual hand finishing touches. The bottom 2 look more related to each other than to the top 2 but still have many differences between them.</p><p><br /></p><p>There is much I would like to know about the lava cameo industry. I assume it would have been a factory secret when a way was figured out to manufacture them through molding. The process may have been similar to that of 'dripstone' cameos, adding material in layers. </p><p><br /></p><p>Although the Clements' book <i>Cameos Classical to Costume</i> is a riot of misinformation, I trust them when they say Scognamiglio has a material called 'lavastone' that mimics lava, inspired by Wedgwood jasper ware.</p><p><br /></p><p><br /></p><p><br /></p><p>I think could be, but very late, or early 20th.[/QUOTE]</p><p><br /></p>
[QUOTE="Bronwen, post: 9724542, member: 5833"]Your observations are all spot on. I'm using 'undercutting' to mean any place that is separated from background or from other elements such that it would make it very difficult to remove a piece intact from a rigid mold. This can be added with some hand finishing, but the absence is a feature suggestive of a molded piece. The real diagnostic of a molded piece is another piece identical to it in every last detail. Weird thing is, these all have the smooth contours of a molded piece, but, while they clearly derive from the same primary image, no 2 are identical. [ATTACH=full]472211[/ATTACH] The top 2 could be from the same mold with individual hand finishing touches. The bottom 2 look more related to each other than to the top 2 but still have many differences between them. There is much I would like to know about the lava cameo industry. I assume it would have been a factory secret when a way was figured out to manufacture them through molding. The process may have been similar to that of 'dripstone' cameos, adding material in layers. Although the Clements' book [I]Cameos Classical to Costume[/I] is a riot of misinformation, I trust them when they say Scognamiglio has a material called 'lavastone' that mimics lava, inspired by Wedgwood jasper ware. I think could be, but very late, or early 20th.[/QUOTE]
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