Pirelli lampwork. 1959 catalogue page...
Product details
1950/70s Decorator: unknown 112mm...
Pirelli - label dating. before...
Page 9 1977 catalogue. 6 5/8" 168mm,...
Page 38 1977 catalogue. 6½" 165mm...
Page 35 1977 catalogue. 6 3/8" 162mm...