Switzerland 1983 ATM (Frama stamps)
Type 5A Helvetia small, redpurple, paper with fibres, wide digits,
single value 0050 mint MNH redpurple (5AIIId), luxury quality,
SBK 5A, ZST 5Ab, Michel 3.2d, Seitz 5A IIId, Schalch 5A.
Explanations: Duration: 15.12.1987-18.06.1991, cliché: HELVETIA (small), type of digits: wide, printing color: redpurple, paper: with fibres, glossy gum, fluorescent: no surface (phosphorescent), impression cylinder: imprecisely moletted, white-greenish-blue security underprint (rosettes), color ribbon: nylon ribbon III, printing: Wertzeichendruckerei PTT, Bern.
