ERETZ ISRAEL ESSAY - IMPERFORATE DOUBLE UNCUT PANE OF 2 SHEETLETS in Blue, Upper block of 4 w/wide spacing between the stps - type 3, lower block w/narrow spacing type 2a (see Rothman - Tsachor book p. 8), printed on Thin White paper w/full orig. gum u/m; vf Rarity, certif Tsachor, ex collection of A. Eylon late Director of Israel Govmnt Printing Press, Ba ED25 - $12,500