This is Pieter Gerardus van Os by Gwylym Owen Share this: Share on Facebook Share on X (Twitter) Share on LinkedIn Share on E-mail Share on Reddit Share on WhatsApp Share on Telegram What do you think of the works of Pieter Gerardus van Os? Use the form below to say your opinion about Pieter Gerardus van Os. All opinions are welcome! Share this: Share on Facebook Share on X (Twitter) Share on LinkedIn Share on E-mail Share on Reddit Share on WhatsApp Share on Telegram See also Who is Félix Granda?