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Message: <blockquote data-quote="Gavia_immer" data-source="post: 1520988" data-attributes="member: 65934"><p>Thanks for your input in this, Dave. For what you tell us here, it seems the upperside colour of some Escher's can be a bit puzzling. Marian's pic was taken in Spain I believe and I have never seen an Escher's with such a colour here in Spain. But it cannot be anything else. Perhaps the specimen you saw in Tuscany was also a little aberrant. It would be an enterely different matter if you see several specimens and all have the same colour. It might even be a local variation. Just guessing.</p></blockquote><p></p>