Agnes Gilbert's Beautifully Preserved Early 20th C. Herbarium with Sixteen Samples vintage slides from her great red hat

from her great red hat with white and blue stripes

As Puget Sound is mentioned I'd think its maker was from the Pacific Northwest

I also love that it is hollow inside

which appears to me to be birds eye walnut veneer with marquetry detail around the edge

Agnes Gilbert's Beautifully Preserved Early 20th C. Herbarium with Sixteen Samples vintage slides from her great red hatThis herbarium is undated, but I know the portfolio itself, designed by C. S. Jackson and published by Rumford Supply Co., South Weymouth MA, has a 1906 copyright, so would think this dates to the first quarter of the 20th c. or so. On the inside cover Agnes Gilbert lists the 16 samples she carefully preserved and detailed for her Botany II course, which are all still enclosed, each on the right side of a paper folio, with details about the specimen