25¢ Stapled booklet cover with text in English.
Sn = Used the same catalogue number BK45 for the pane 328b in cover English and bilingual.
Sg = Booklet pane of 6 stamps of 4¢, 2 x with one straight edge at top, 2 x with one straight edge at bottom, 1 x with two straights edges at top and right, 1 x with two straight edge at right and bottom (453一个).
