This Aero nylon zip "old gold" fastener was made between the 1950s and the 1970s. Exact date unknown. The total length of the zip is a bit more than 11" (28.5 cm).
This zip belongs to the "Blue pack" range of zips, which which are ultra light and adapted for lightweight dresses, skirts, knitting wear and lingerie.
Self locking. Made in Great Britain.
Ten sewing hints inside the packaging. The packaging shows some signs of age (theblue color has faded a little bit, some light scratches, a bit of dirt outside) but is in good vintage condition.
The zip is in excellent condition as it has never been used. Still held to the cardboard by a staple.
The pack has been opened to take pictures. You don't need to open it to remove the zip, only if you wish to read the instructions and hints.
Dimensions of the pack: 26.5 cm long x 4.2 cm wide
Weight (without protection and packaging): 18 g