"Specimen"; some shortish perfs. at foot otherwise fine. Rare. R.P.S. Certificate (1967). S.G. 45a. Photo" /> Specimen -- 45c. on 2r.25 showing variety narrow "5" in "45" and handstamped<I> "Specimen"</I>; some shortish perfs. at foot otherwise fine. Rare. R.P.S. Certificate (1967). S.G. 45a. Photo | Christie's