| John Thomson Lefka, Cyprus 1878 Glass photonegative, wet collodion Wellcome Collection Wellcome Library no. 19766i, System no. .b11776444, Creative Commons Attribution (CC BY 4.0) terms and conditions, ttps://creativecommons.org/licenses/by/4.0 LL/86646 Bears Thomson's negative number: "753". Inscribed by Thomson in ink on the emulsion
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