Switzerland 1987 ATM (Frama stamps)
Type 7Ax Helvetia small, redpurple, paper without fibres, wide digits, etched precisely, fluorescent,
single value 0050 on FDC without address with Early Date Cancellation "20.06.1987 8832 Wollerau" (7A IIIxd), luxury quality,
SBK 7Ax, ZST 7Axb, Michel 3.8d, Seitz 7A IIIxd, Schalch 7AX.
Explanations: Duration: 27.04.1987-25.01.2001, cliché: HELVETIA (small), type of digits: wide, printing color: redpurple, paper: without fibres, glossy gum, fluorescent: area-wide fluorescent (paper also phosphorescent), impression cylinder: etched precisely, white-greenish-blue security underprint (rosettes), color ribbon: nylon ribbon III, printing: Wertzeichendruckerei PTT, Bern.
