1948 Doar Ivri – Unique Trial Design Sheet. Original trial printing showing the complete tab rows of the 250m, 500m and 1000m values in the proposed blue color for the 1000m stamp. At the top is a hand-painted concept sketch for an unissued 1500m lion design, together with a proposed machine-typed tab inscription and the contemporary Hebrew notation "לא נתקבל" ("Unadopted"). Beige sheet (19.5 × 14 cm). Accompanied by the 2007 AIEP certificate of Ing. Yacov Tsachor stating "GENUINE; very fine." A unique and highly significant Doar Ivri essay combining printed trial material with original design artwork.