inscribed in blue fibre-tipped pen on support reverse u.c.: l l / "Two of a kind" (Two of a kind underlined) inscribed in blue fibre-tipped pen on support reverse u.r.: Dr Geoffrey Smith. (Dr Geoffrey Smith underlined) inscribed in blue fibre-tipped pen on support reverse u.c: 11 (in a circle) inscribed in black fibre-tipped pen on support reverse l.r.: A.
