For example in The Connecticut Journal of 1775 it was advertised “To be Sold at Public Vendue, peremptorily to the highest Bidder, for Cash only . . . a most neat and excellent Assortment of English and India Goods . . . consisting of the following Articles . . . Manchester Velvets, Corduroys” natural linen thread for hand sewing will match this fabric. For buttonholes you might use buff silk quilter’s thread.