Unknown2019-03-082019-03-081965-10-01EPM-072-10-040http://hdl.handle.net/20.500.11867/157765 sheets 11 x 8.5 inch, bi-folded and secured booklet style. Printed recto and verso. Stamped in black ink and text crossed out inside front cover. Back cover stamped, typed, and printed. Annotated in blue ink. Enclosure: 5.5 x 8.5 inch sheet. Printed recto and verso. Verso has annotation and crossed out text.Includes descriptions of products for sale and a comparison of flexible molding materials, as well as a separator selector and map of parcel post zones. Enclosed sheet advertises summer sale prices.Sculpture;Envelope