1948, Israel - Jerusalem 1948 100m, Lavender Siege Revenue (Otzar Ha'am - Ba #5a) Imperforate Proof in lavender printed on Buff gummed paper, 25x5.5cm block of 20 stamps, the left half (10 stamps) is double printed with the 20m orange. original gum. Ba # 1e. Cat $ 600++
