Wrapper title.
Pagination includes p. [2] and [3] of wrapper.
Publisher's advertisement on back wrapper with title: Model building blocks. Attachable to each other on all their surfaces. Swift's patent.
Publisher address on back wrapper: 73 Duane St., N.Y. McLoughlin Bros., Inc. was located at 71 & 73 Duane St. between 1871 and 1886.