To be honest, I don't care that much whether this mosaic depicts Alexander the Great or not. What gets me is that these guys are wearing stripey socks!
I can't zoom in on the phone app to see the socks, but reading this reminds me of an article in the Archeological Textile Newsletter about a woman's hypothesis that the Greek pottery that shows men with patterned legs could be a deptiction of hose made from sprang. She showed examples in the article of stripes, diamonds and spots all made by sprang. Of course, striped socks made from sprang would not be a good way to use up ends of yarn.
There are quite a few surviving knit *cotton* socks with complex patterns (stranded color knitting) from Egypt from the Fatimid thru the Mamluk periods, that is, after the Islamic conquest.
There is no knitting from the Greco-Roman period in Egypt. For the Roman period like the mosaic, the socks are made by nalbinding. There are a number that are extant that are striped, but those are children's socks, but no reason there couldn't have been some for adults.
Here is one of those extant striped socks http://www.britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=155676&partId=1
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There is no knitting from the Greco-Roman period in Egypt. For the Roman period like the mosaic, the socks are made by nalbinding. There are a number that are extant that are striped, but those are children's socks, but no reason there couldn't have been some for adults.
no subject
http://www.britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=155676&partId=1
no subject