Agnes Gilbert's Beautifully Preserved Early 20th C. Herbarium with Sixteen Samples spencerian It measures 11" long x

It measures 11" long x 3 7/8" wide x 3/4" deep

designed by Nils Thorsson

I think they make really terrific small objects for display--with a handy loop for hanging overhead

and find them  poignant

and they are structurally super sound and stand up very straight

Agnes Gilbert's Beautifully Preserved Early 20th C. Herbarium with Sixteen Samples spencerian It measures 11" long xThis 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