Jackson, Michigan: Bortree Manufacturing, Ca. 1880. Folding color trade card with illlustration of two women peeking through a key hole, with text printed on the folding flap which reads, "The secret out at last why Mrs. Brown has such a perfect figure". A trade card for a Michigan manufacturer of corsets, with office and sales room at 17 Mercer Street, New York.
Advertising text printed on verso in elaborate type face. 3 3/4 x 5 1/4". Slightly dusty on verso. Very good overall. Item #26235