By William Moulton Marston (1893-1947).
First appearance: Liberty, January 19, 1935.
Short short story (7 pages).
Online at Archive.org (start HERE and finish HERE).
"At Last a NEW Kind of Detective Story — One in Which the Reader Is Really the Detective! Follow the Directions and Try Your Sleuthing Talent on This Baffling Tale of a Black-Bordered Envelope and an Artist's Eye."A gang of kidnapers that couldn't crook straight should've known that if you're going to put the bag on somebody, you should at least snatch the right somebody . . .
Resources:- William Moulton Marston (Wikipedia HERE) is most remembered these days for creating the comic book character of Wonder Woman (HERE); People.com (HERE) has more background on Marston—and it is, as the article says, "kinky."
HERE), all but two are posthumous.
— George Alec Effinger