Florus "Flor" Silvester (30 August 1923 in Rotterdam – 2 December 2008 in Dordrecht), sometimes spelled as Silvestre, was a Dutch graphic designer, illustrator, painter, and sculptor. Silverster's designs won him the Eurostar for packaging and the Golden Nut. He designed and illustrated many Dutch books and designed some classic posters.
Flor Silvester studied at the Willem de Kooning Academy, then known as the Volksindustrieschool or the Rotterdamse Academie. Among his teachers were Aart Glansdorp, David Bautz, and Kees van Roemburg. Flor Silvester lived in Rotterdam, Utrecht, and Hendrik-Ido-Ambacht. In H.I. Ambacht his studio was in his home on the Reeweg.
Flor Silvester was married to Elizabeth van Dijk. They had three children.
- "Overleden: Flor Silvester", NRC Handelsblad, 5 December 2008,
85 jaar, wed./wednr. van Elizabeth van Dijk, 02-12-2008, Dordrecht
- Boekestijn, Piet (2013), "Overzicht van boekillustratoren" (PDF), Nederlandse boekversiering eerste helft 20e eeuw, pietboekestijn.nl,
Silvestre, Florus (1923-) ps. Flor Silvester
- Flor Silvester, Gemeentearchief Rotterdam, archived from the original on 2013-12-02, retrieved 2013-12-02
- "Flor Silvester", Explore, Netherlands Institute for Art History,
Kwalificaties: beeldhouwer, schilder, aquarellist, tekenaar, grafisch ontwerper; Prijzen: Gouden Noot en Eurostar voor verpakkingen
- "Florus Silvester", Documentatie van Beeldende Kunst in Utrecht, artindex.nl
- Flor Silvester, International Institute of Social History
- Silvester, Flor (1948). "Haagse Kunstmaand Jubileumjaar". Haagse Kunstmaand.
- "25e Jazzfestival Breda" (advertisement), De Stem, p. 38, 24 May 1995 – via Krantenbank Zeeland,
Welkom in Breda musici vanuit de hele wereld. Welcome in Breda, musicians from all over the world. [...] Flor Silvester (tb)