This is St Peter, by the Master of the Chora, Constantinople, 1320. Click through for a larger version.
A stunning photo of an Atlas moth — an Ocellated Turkey — Ping Pong Tree Sponge Chondrocladia lampadiglobus (a carnivorous deep-sea sponge) — a pair of bleeding heart doves — a Goblin Shark biting a diver’s arm (slightly grotesque, but not as gory as it sounds).
Terracotta jug from Cyprus, ca. 1600–1450 BC — earthenware bowl painted with the arms of Pope Callixtus III (Alfonso Borgia, 1455 – 1458) — an early Christian roundel of glass with gilded decoration, found in the Roman catacombs — intaglio of the adoration of the shepherds; rock crystal with gold and ultramarine on reverse. Giovanni Desiderio Bernardi, 1525-1550.
Stained glass: Apostles and saints (including St Peter) from a Last Judgement. Germany, 16th century — Virgin and Child with Saint John the Baptist and Saint Dorothy. Upper Rhine, ca. 1470-1480 — Martyrdom of Saint Peter. Painted by Arnoult de Nimegue, Normandy, ca. 1525-1530.
Mishmarot I by ceramic artist Avital Sheffer (but check out her website for lots more gorgeous work; I rather like the early stuff as well) — coloured pencils by Jonna Pohjalainen — Self-Portrait with Saxophone by Max Beckman — Spring by Ferdinand Hodler.
And finally, I think the most popular thing I posted this week was one of the images from Scaf le Phoque (Scaf the Seal, 1936) by Rojan, aka Russian illustrator Feodor Rojankovsky (1891–1970).