1980 Issues. Printing colors: Blue-green on bistre and multicolor underprint. Habib Bourguiba at left, building at center. Back: French texts. Reservoir at center. Watermark: Habib Bourguiba. Date of issue: 1980-10-15. Dimensions: 170 x 85 mm. Solid security thread. Printer: unknown. Replacement notes with Prefix numerator: "DR". Signatures: Sioud / Ghenima. Prefix with 6-digit number. Diagonal Red "SPECIMEN" overprinted front / back.