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Ah Jane wade, some good info about her: http://straightrazorpalace.com/show-tell/88377-robert-wade-challenge-sorting-history.html

Here another N.e.v.a. razor but J. Moseley & sons

http://straightrazorpalace.com/razors/69651-13-16-blade-john-clarke-good-razor.html

Interesting razor, the N.E.V.A. trademark i believed belongs to John Clarke and Sons.