Unaccredited

ppl. a. (UN-¹ 8.)

1828–32.  Webster, s.v., The consul remained unaccredited.

1850.  Kingsley, A. Locke, x. They’re the unknown great—the unaccredited heroes, as Master Thomas Carlyle would say.

1882.  Farrar, Early Chr., I. 83. It is singular how very little is narrated of the rest [of the apostles], and how entirely that little depends upon loose and unaccredited tradition.