^Lot 277 Holt, Rinehart and Winston, Inc. Production File w

DE. 1960-1966. Production file. 4 different certificates and 3 different border proofs. All with seated allegorical men flanking logo with owl. 1) Specimen, 100 shs, blue, with archival notations. 2)-3) Proofs of entire certificates. than 100 shs, red. Also includes miscellaneous production department correspondence. Holt is a recognized leader in secondary education publishing curriculum-based textbooks, support, reference materials, and professional development in print, electronic and online formats for students and teachers in grades 6-12 since 1866 and is based in Austin, Texas. SCBNC. XF.