Special Constable Robert Parker (Marc Senior) informs, hands Constable Crabtree (Jonny Harris) a Mailed Envelope from a Book Publishing House. However, Parker takes the envelope back opening it for Crabtree. The mailed envelope was never sealed let alone licked. The envelope was obviously open.
Not a goof: as recently as the 1960s, postage was cheaper for unsealed letters than for sealed letters.
Not a goof: as recently as the 1960s, postage was cheaper for unsealed letters than for sealed letters.