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image by James Dignan, 14 October 2003
Brown 1929 omits H367’s letters; the 1934 and 1943 editions show them in black. The 1951 and 1958 versions have a more horizontally elongated diamond.
H368 is based on a black-and-white photograph of Dunnet Head. Sources differ in the spacing of the funnel bands: Brown tends to show equal band and gap widths, Stewart wider gaps, while Talbot-Booth’s white bands appear too broad compared with photographs. LJC 1930 and Stewart 1963 do not extend the diamond fully across the field. James Dignan’s FOTW image is based on Sampson 1957.