Following are depictions of medieval men wearing coifs. For links to information about this style of headwear, including construction, see these links. It is worth noting that the coif was worn by serjeants-at-law as a mark of their station; hence, we also see coifs in the Court of Wards and Liveries (c. 1560-80), etc.

This coif was sometimes worn as a night-cap, both by men and possibly also by women; see this detail from a scene from life of St. Nicholas from a South Tirolean altarpiece painted in 1514.

• The Fécamp Psalter, c. 1180 (including illustrations for March, June, August, September, October, and December, and the arrest of Christ)
• The coif of Fernando, Infante de Castille, ca. 1211
• 13th century notebook of designs by Villard de Honnecourt (BNF Fr 19093), fols. 8v, 9v, 23v, and 26v
• Many examples in the Maciejowski Bible (ca. 1250) -- see www.keesn.nl/mac/mac_en.htm and www.medievaltymes.com/courtyard/maciejowski_bible.htm
• The Psalter of St. Louis (BNF Lat. 10525), fols. 4 (note black coif!), 11v, 12, 17v, 18, 19v, 20, 21v, 22, and 24
• The Cantigas de Santa Maria, ca. 1280: Cantigas 60, 160, 170, 180, 200, 210, 220, 230, 240, 250, 260, 270, 280, 290, 320, 330, 350, and 390.
• The Picture-Book of Madame Marie (BNF NAF 16251), c. 1285-1290, fols. 65v, 67v, and 72
• Frescoes of the life of St. Francis by Giotto, 1297-1299: St. Francis Giving his Mantle to a Poor Man, The Miracle of the Crucifix, The Renunciation of Worldly Goods (detail), and Institution of the Crib at Greccio (detail).
• A servant and another servant, Supper in the House of the Pharisee by Giotto; seams are visible in both
• Several in British Library, Sloane 1977, a compendium of medical texts from c. 1300-1310
• Several illustrations in a decretum illustrated by the Master of Méliacin c. 1301-1325
• Several in a 14th century bible historiale (BNF Fr 152), including fol. 36
• Illustrations in a 14th century Histoire du saint Graal/Histoire de Merlin (BNF Fr 105), 14th century: fols. 11, 13, 21, 58v, 81v, 93v, 96, 108, 115, 162, and 181
• A 14th century Bible historiale (BNF Fr 152), fols. 36, 97, and 149v
• Allegory of Bad Government in the Roman de Fauvel (BNF Fr 146, fol 9), 14th century
• Lots of men wearing coifs in The lives of the saints (BNF Fr. 183), 14th century
• Lots of men wearing coifs in The lives of the saints (BNF Fr. 185), 14th century
• The Marriage at Cana at Capella Scrovegni by Giotto, 1304-1306
• The Manesse Codex (UBH Cod. Pal. germ. 848), ca. 1300-1330: Schenk Ulrich von Winterstetten (fol. 84v), Der von Sachendorf (fol. 158r), Johann von Ringgenberg (fol. 190v), Von Trostberg (fol. 255r), Herr Neidhart (fol. 273r), Meister Heinrich Teschler (fol. 281v), Rudolf der Schreiber (fol. 362r), Meister Gottfried von Straßburg (fol. 364r), Meister Konrad von Würzburg (fol. 383r), and Der wilde Alexander (fol. 412r).
• The construction of Noah's Ark (fol. 13v), Nebuchadnezzar ordering the castration of the Hebrews (fol. 194v), and the execution of the old men (fol. 199v) in a Bible historiale (BNF Fr. 160, 14th century
• Frescoes of the life of St. Martin by Simone Martini, 1312-1317: The Dream of St. Martin (detail), St. Martin is Knighted (squire detail, musicians detail), and The Miracle of the Resurrected Child (detail).
• 14th century Lives of the Saints (BNF Fr 185), including fols. 92v, 123v, 229, 230, 232, 232v, and 246v
• Illustrations in the Holkham Bible (Brit. Lib. Add. 47680), c. 1327-1335, including fols. 10v, 12, 13v, 14v, 21v, 23v, 24, 26v, and 27v
• A falconer (fol. 159) and a bagpiper in the Luttrell Psalter (Brit. Lib. Add. 42130), c. 1325-1335
• Dream of Mordechai (note visible seam), Bible historiale (BNF Fr. 159, fol. 256), 14th-15th centuries
• The Ellesmere Chaucer, c. 1410: The illustrator gives coifs to the Man of Law and the Reeve. (See Hodges for a discussion of Chaucer's omission of the coif in his clothing descriptions for the pilgrims in the Prologue to the Canterbury Tales.)
• Tacuinum Sanitatis, 15th century (BNF Nouvelle acquisition latine 1673): Beets (fol. 27), Barley-Mash (fol. 51v), Pork (fol. 63v)
• The martyrdom of Isaiah in a 15th century Bible historiale (BNF Fr 10, fol. 387)
• Coifs worn by Holofernes while sleeping (fol. 241) and a friend of Job (fol. 255) in a 15th century Bible historiale (BNF Fr 3)
• October in the Tres Riches Heures du Duc de Berry, 1412-1416
• Torture of Justinian II in De casibus (BNF Fr. 226, fol. 250), 15th century
• The dream of Astyages, Les cas de nobles hommes et femmes (Bibl. Sainte-Geneviève MS 1128, fol. 62), second quarter of the 15th century
• A baker in October (fol. 10r) and a butcher in December (fol. 12r) in a book of hours (PML M.358), c. 1440-1450
• Portrait of Dante by Andrea del Castagno, c. 1450
• Scenes from the Life of St. Francis by Benozzo Gozzoli, 1452
• Pinuccio tricks the landlord in the Decameron (BNF Fr. 239, fol. 256v), 15th century
• Dante and the Three Kingdoms by Domenico di Michelino, 1465
• A boy wearing a coif, a book of hours (PML M. 1001, fol. 48r), c. 1475
• Portrait of Dante by Sandro Botticelli, c. 1495
• The Hours of Anne of Brittany, c. 1500-1508 (BNF Lat 9474)
  March (fol. 6) seems to show a red coif worn under a black (fur?) hat
  November (fol. 14) shows this style of coif twice -- in red and black -- and one with a hat, one without. The one without seems to show a seam along the top.
• Allegory of Fortune and Poverty, De casibus (BNF Fr. 130, fol. 88), first quarter of the 16th century
• August (fol. 8r) and November (fol. 11r), a book of hours (PML M.632), c. 1520
• Portrait of the Dauphin François, Son of François I by Jean Clouet
• A guard in a painting of the Passion at Sanctuaire Notre-Dame des Fontaines, La Brigue