(1.) Plate I (solid dots in the diamond shaped links at the top and bottom, and in the half links at the sides of the inner border.
(2.) Ten perfect Greek keys on all four sides form the outer border.
(3.) Six whole diamond shaped links, and a half link at each end, form the top and bottom of the inner border.
(4.) 13 half links form the vertical parts of the inner border at each side.
(5.) The design is 19.75 mm square.
(6.) The central characters measure 10.5 mm from the apex of the inverted "v" at the top to the lowest part of the right stroke of the lowest character.
(7.) Specks of brown, as from a sputtering pen, are usually found scattered about the face of the stamp.
(8.) Nine out of ten stamps have a "secret mark", two small dots instead of a solid vertical line for the central stroke of the lowest Greek key on the left side, circled in yellow on the example above.
(9.) Exp: ISJP cert. Notes:do. Ref: Aretz.
(1.) Scanned from the upper left quadrant of the souvenir sheet.
(2.) Measures 19.25mm x 19.25mm from the frame lines.
(3.) Although this stamp has the secret mark in the lower left key, there is a third dot to the left of the two vertical dots, and a short vertical line below the two vertical dots, which is not seen on the original.
(4.) Exp: do. Ref: Scott catalog
(1.) No secret mark (2-dots in the lower left corner instead of a short line.)