Looking at the Writing
The plain envelope carries a Gravesend postmark dated that day. Holmes examines its paper, ink, address, and seal, noting differences between the writing outside and the note within. He explains these several physical clues carefully to Mrs. St. Clair before judging what the message can establish about her husband's safety.
The plain envelope carries a Gravesend postmark dated that day. Holmes examines its paper, ink, address, and seal, noting differences between the writing outside and the note within. He explains these several physical clues carefully to Mrs. St. Clair before judging what the message can establish about her husband's safety.