Jaguar skins, as their name suggests, feature an image of a panther on the weapon alongside other cameo patterns that resemble a jungle or a forest, a panther's natural habitat. Currently, there is only one skin that belongs to the Jaguar family and that is AK-47 | Jaguar This skin was added to the game on 10 July 2014, as part of the Summer is Heating Up update. It can be found in the eSports 2014 Summer Case and is part of the eSports 2014 Summer Collection. This skin comes in all five exteriors and can have StatTrak attached to it.
As for the price, Jaguar skins can cost anywhere between $15 and $115, depending on the exterior of the skin.
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