Vendor Source: Occult Arms Dealers, London & various locations.
Price: 100 Pax
Mission/World Source: Introductory weapons mission and the weapon boxes in faction HQ training halls.
Availability: Easiest and free source would be to take a weapon from your faction’s training hall. Some of the skins are also available from crafting Quality 1 Greens, as green world drops in Kingsmouth and from the For a Fistfull of Zombies mission. Same weapon skins are also available as Quality 10.1 Purples from the Cat God (Nightmare) dungeon during Halloween.