1948 Israel - Jerusalem Siege Revenue (Otzar Ha'am - Ba #3b, 5b): Imperforate Plate Proof. This intriguing item includes 3 values: a block of 20 stamps of 100mil (purple/brown) alongside a block of 16 stamps of 20mil (orange), arranged as Tete-bêche gutter blocks. On the reverse side, there's a block of 15 stamps of 5mil (brown), Ba #1e. The sheet measures 23x13.5cm. Catalog value $1500++.
The stamps present an eye-catching arrangement, and although the sheet is unevenly cut on one side, the stamps boast full margins on three sides and are arranged in a Tete-bêche configuration.