As Christmas nears, here's a lovely late 15th-/early 16th-century portable nativity scene from a gold ring, found Sleaford, Lincs :) https://finds.org.uk/database/artefacts/record/id/642395
A 6th- or 7th-century Byzantine ring featuring the Nativity & other scenes from the Life of Christ: http://art.thewalters.org/detail/11447
A late 10th-century Anglo-Saxon Nativity scene carved in ivory & a near-identical illumination of the same scene from the late 10th-century Benedictional of St Æthelwold (f.15v): https://www.liverpoolmuseums.org.uk/artifact/carved-panel-showing-nativity & http://www.bl.uk/manuscripts/Viewer.aspx?ref=add_ms_49598_f015v
Another Nativity scene, drawn by an Anglo-Saxon artist active in France and England in c. AD 1000: https://blogs.bl.uk/digitisedmanuscripts/2018/12/a-medieval-nativity.html
An 8th- or 9th-century Nativity scene on a bronze censer, thought likely to have been made in Umayyad or early Abbasid northern Syria: http://britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=60791&partId=1 & http://jstor.org/stable/4199974
A medieval wearable nativity scene — reverse of the late 15th-century Middleham Jewel, from Yorkshire: https://commons.m.wikimedia.org/wiki/File:Middleham_Jewel,_reverse_YORYM_1991_43.jpg
A 10th- or 11th-century Byzantine reliquary pendent showing the Nativity and the Adoration of the Magi: http://www.learn.columbia.edu/treasuresofheaven/relics/Reliquary-Pendant-with-the-Adoration-of-the-Magi.php
Another Byzantine Nativity, from the Menologion of Basil II, c. AD 1000: https://commons.m.wikimedia.org/wiki/File:Menologion_of_Basil_053.jpg
An ivory leaf from a Byzantine diptych showing the Nativity, 1st half of 6th century, from Thessaly, Greece: http://www.britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=60956&partId=1
A 9th-century Carolingian situla (bucket for holy water) decorated with the life of Christ including the Nativity; it is made from an entire hollowed out section of an elephant tusk: https://www.metmuseum.org/art/collection/search/464438
A 12th-century champlevé enamel plaque featuring the Nativity, made in the Meuse Valley, the Netherlands, in c.1165: https://www.metmuseum.org/art/collection/search/464405
An early Byzantine terracotta pilgrim-token of the 6th/7th century, depicting the Nativity with the Virgin on the left; found Qal'at Sem'an, Syria: http://www.britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=61435&partId=1
A Nativity scene worked in niello on the undersurface of the lid of the early 9th-century Fieschi Morgan Staurotheke: https://www.metmuseum.org/art/collection/search/472562
A Carolingian Nativity scene, from the front cover of the early 9th-century Lorsch Gospels: https://commons.m.wikimedia.org/wiki/File:BLW_Lorsch_Gospels_cover_(detail).jpg
A 6th-century ivory panel depicting the Nativity of Jesus; probably made in Egypt or Syria: https://rylandscollections.wordpress.com/2014/12/22/sixth-century-nativity/
A reliquary box lid from Syria or Palestine, late sixth or early seventh century, showing the Nativity; from the Chapel of the Sancta Sanctorum, Lateran Palace, Rome
Museo Sacro: https://www.kornbluthphoto.com/images/SancSancLid_Nat.jpg
Museo Sacro: https://www.kornbluthphoto.com/images/SancSancLid_Nat.jpg