505 201 Variant shaft
Year: 1977

R 505 201 Variant shaft

Writing on micronorm and variant shafts seems that started somewhere in 1977.
Before that micronorm and variant shafts were free of any writing.

Sold in 10 pieces paper box.

Variant pens from that age had writing rotring in red letters.
You can see it here compared to version for variant 2 that came out in 1988.

❮ ❯