Wm. F. Drueke & Sons, Grand Rapids, MI, circa 1940's?
(wood pieces in cardboard box, 2+5/8" x 2+5/8" x 2+5/16" high)

Examples of some classic relatively simple burrs that have been made by many over the years (e.g., see the Japanese Shape Burrs). Historical acounts indicate that Bill and Marian were Drueke family names.

Further Reading
Drueke Family History, from: www.peterspioneers.com/WRSD.htm
Drueke Directory, from: www.peterspioneers.com/WRSDdir.htm
C. Bloom Grand Rapids Press Article, from: www.peterspioneers.com/WFD.htm
Cribbage Board Article, from: http://www.cribbageboardsonline.com/article2005b.pdf