Swatch of dark blue napped woolen apparel fabric (flannel). Marked on piece of cardboard stamped with seal of US Consulate in Prague, found in envelope with samples."Referring to Despatch Dated May 5th 1904. (/) Samples of woolen materials requested by circular of 18th February 1904"; Marked on pinned slip of paper: "140 cm (/) C. 4.30".