1964-04-02, Ken Bulmer pointed out that the attitude of a fan who had read much sf is different from that of a neo who is reading sf for the first time.
1976-08-25, This fabulous fannish cover illustrated the three stages of fandom: the neo, the trufan, and the BNF.
1996-11-03, Edwina, and neofen of her generation (this is not a criticism - everyone starts out as a neo), being new to sffandom, and not a member of faandom, would not have noticed this.