Coca-Cola is produced in Nigeria by the Nigerian Bottling Company (NBC) which is a franchise of The Coca-Cola Company.
The glass bottle version is basically the classic Coke recipe (or a close variant) packaged in returnable/reusable or collectible glass bottles. Many people prefer glass bottles for their taste, nostalgia, and because glass doesn’t impart off-flavours.
From the Coca-Cola Nigeria “Original Taste” product page:
Carbonated water
Sugar
Colour: Caramel (E150d)
Acidulant: Phosphoric acid
Cola flavour (natural flavourings)
Caffeine
All Weights Are Approximate.
£1.40