Several examples can be seen at Toiletries Through the Ages , including an Egyptian wooden double-sided comb, a Scythian gold comb, a medieval composite double-sided bone comb, and an ivory double-sided comb.
Also check out reenactors' webpages about creating period-style combs, and other related links, in the Antler Combs section of the Atlantian A&S Links.
Gold comb with Scythians in battle , 5th-4th centuries BC
Wooden comb , Gallo-Roman, 1st-4th centuries
Ivory comb, India, 2nd century To find this item, go to V&A Access to Images and search for Museum Number IM.21-1937 .
Bone comb from South Shields , 2nd-4th century
Antler bone comb from Roman-occupied Britain
Ivory comb of Modestina , Roman, 3rd-4th centuries
Bone comb , 4th-5th centuries
Antler comb and another antler comb , Winchester (Roman Britain), 4th or early 5th century
Double-sided combs made from antler from Anglian York
Horn and bronze comb , 5th century
Bone combs from the 5th-7th centuries
Bone combs , Frankish/Merovingian, 5th-8th centuries; another Frankish/Merovingian bone comb
Bone/antler comb and comb-case from an Anglo-Saxon cemetery at Buckland, Kent
Bone and antler comb from an early Saxon settlement in Hammersmith, 6th century
Ivory liturgical comb (called "St. Berthuin's comb") , 6th century
An ivory comb carved with a sitting figure and three standing figures, 7th century
The so-called Comb of Theodelinda , ivory with silver and sapphires, made in Lombardy in the 7th century
Bone combs and case , 6th-8th centuries
Comb from Anglo-Saxon Canterbury, described thus : "Made from animal bone with iron rivets to secure side plates. The use of recycled animal bone was very common in the past. Decorated with 'ring and dot' design."
Eighth century Ivory comb found in an Anglo-Saxon house
Ivory liturgical comb with a design of two young women's heads, 8th century
Ivory liturgical comb (called "St. Hubert's comb") , 8th century
Bone combs from Westminster, late 8th century to 9th century
Bone comb , 8th-10th centuries
Two late Saxon combs from Longmarket
Ninth century ivory liturgical comb associated with Saint Loup (towards bottom of webpage)
The so-called Comb of St. Heribert , c. 851-900
Ivory comb depicting either Sampson or David with a lion , made in Metz around 875-900
Antler comb with matching case , Viking, 9th-10th century, from York, England
Composite single comb , Swedish, 9th-11th century
Viking combs and other tools for grooming
Photos of combs at the Historisk museum in Oslo
Viking bone and antler combs
Gilded comb top , Liao dynasty China, 10th century
Ivory comb with stylized horses, 10th century
Boxwood comb with poker worked ornaments , Colletire , France, early 11th century
The comb of St. Ulrich , 11th century?
Delousing comb and scissors found on the Serçe Limani shipwreck , 1020s
Antler tooth-plate fragment from a composite comb found in York dating to the 11th century
Gilt liturgical double-comb , 11th century
Liturgical comb , ivory, 11th century
Double one-piece comb made of antler , Swedish, 11th-12th century
Liturgical comb (reliquary of St. Hadelin) , ivory, Meuse river yalley, 11th-12th century
Ivory comb , late 11th century, found in Wales
An ivory comb , possibly made in southern Italy, c. 1080-1120
Bone comb , 1100-1220, Finland
The comb of the Mother of God , from the cloister of the Sisters of the Holy Ghost, c. 1101-1150
The beard-comb of the Holy Roman Emperor , ivory with gold and precious stones, 12th century
Saint Albans liturgical comb , ivory, made in 1120
English Liturgical comb , ivory, ca. 1200-1210 (also here )
Zodiac: the sign of the Ram , Georgius Zothorus' Liber astrologiae (BNF Lat. 7330, fol. 7), 2nd quarter of the 13th century
Bone combs , 12th-13th century; another bone comb , 12th-13th century
Ivory comb with two birds in circles, southern Italy, 13th century
Fragment of an ivory comb with the legend of St. Clemens, c. 1201-1215
Fragment of a French ivory comb with religious scenes , 1250-1300
Composite double comb , Swedish, 13th-15th century
Hell , a bible (BNF Fr. 13096, fol. 86v), 1313
Mural cycle showing the processing of silk and flax at the Kanonikerhaus in Constance, Germany, c. 1320: one woman combs another woman's hair
She hadde bath, sche hadde reste, And was arraied to the beste. Bot with no craft of combes brode Thei myhte hire hore lockes schode, And sche ne wolde noght be schore For no conseil, and thei therfore, With such atyr as tho was used, Ordeinen that it was excused, And hid so crafteliche aboute, That noman myhte sen hem oute.
Confessio Amantis ,Incipit Liber Primus: Part 1 , ll. 1747-1756
The Luttrell Psalter (British Library MS. ADD. 42130), c. 1325-1335: In this illustration of a servant dressing a lady's hair (fol. 63), there is a double-sided wooden comb. A similar comb is held by a mermaid in fol. 70v.
Ivory double comb with lovers in a garden, Paris, second quarter of the 14th century To find this item, go to V&A Access to Images and search for Museum Number A.560-1910 .
Ivory double-comb carved with the Adoration of the Magi and Annunciation , upper Italy, second half of the 14th century
Ivory comb with dancers (?) at a fountain, northern Italian, late 14th century or early 15th century To find this item, go to V&A Access to Images and search for Museum Number 151-1879 .
Susannah and the elders , Bible historiale (BNF Fr. 159, fol. 238), 14th-15th century
A woman combs her hair in a pen-and-ink sketch c. 1400
Ivory comb with scenes from legends (a joust on one side, two ladies on the other), France, beginning of the 15th century
Incomplete double-sided one-piece comb of elephant ivory found in York dating to the 15th century
15th century birchwood comb
15th century boxwood comb inscribed "mon avis" and "pour bien"
15th century French wooden comb , from A Brief Description of Some Medieval French Woodworking at the Muse National du Moyen Age
Comb in carved wood, 15th century Germany (also here )
Ivory comb with the adoration of the Magi, 15th century
Wooden liturgical comb , 15th century
Groadain wounds Gawain's horse (BNF Fr. 112(1) , fol. 107), 15th century: A two-sided ivory (?) comb is used on a woman's hair.
Comb , 15th century walrus or morse ivory, French
Hagiography shows mirrors to Pilgrim , Pilgrimage of the Life of Man (British Library MS Cotton Tiberius A. VII, fol. 93), c. 1430-1450
Ivory comb with painted carvings (the Fountain of Youth) , Upper Rhine, c. 1450 (V&A 231-1867 ).
Ivory comb with the Annunciation and the Adoration of the Magi , southern Netherlandish (?), c. 1450
Late 15th century boxwood comb
Detail from St. Elizabeth of Thuringia bathing the lepers in the Elizabeth Altarpiece from the Church of St. Agidius at Bardejov, c. 1480-1500
Wooden comb , 15th-16th century
Two wooden combs carved from boxwood (one with ivory[?] inlays), northern France, c. 1500; more photos here and here
Ivory comb with the story of Bathsheba on one side and the Knight and the Three Graces on the other, Germany, beginning of the 16th century
Ivory comb with carved openwork with small figures and a bust between medallions, grotesques, and gryphons; France, beginning of the 16th century
Ivory comb with scenes from the story of David and Goliath, 16th century
Oneida Iroquois antler comb , c. 1500-1550
The Comb-Maker , Eygentliche Beschreibung aller Stände auf Erden , 1568
Martha and Mary Magdalene by Caravaggio, c. 1598
Portrait of Elizabeth Vernon, Countess of Southampton , c. 1600 She is combing her hair with a double-sided comb, probably made of ivory.
Sites where one can purchase medieval-style combs of different styles: