1. BIR 3/4 Reference (shelfmark): BIR 3/4 Title: Incomplete sheets of adhesive fiscal and postage stamps over-endorsed 'Specimen.' Scope & Content: Includes unified and postage; overprints; various fiscals; unemployment insurance and national health insurance. Collection Area: Philatelic Collections Languages: English Date Range: 1901-1936 Extent: 4 Boxes