"Filippo Calendi (Firenze, ... – 1849) è stato un pittore e incisore italiano." - (Wikipedia (it) 01.04.2020)
"Filippo Calendi (painter/draughtsman; Italian; Male; 1838 - 1849; fl.)
Also known as: Calendi, Filippo
Biography: Draughtsman in Florence, produced drawings after paintings to serve as models (for others) to engrave." - https://research.britishmuseum.org/research/search_the_collection_database/term_details.aspx?bioId=130311, 01.04.2020
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