{
    "slug": "0u-00000124",
    "createdAt": "2017-03-23T14:05:11.934Z",
    "price": 384
},
{
    "slug": "0u-00000125",
    "createdAt": "2017-03-23T14:06:11.934Z",
    "price": 129
},
{
    "slug": "0u-00000125",
    "createdAt": "2017-03-23T14:07:11.934Z",
    "price": 125
}

Price.find({}, {}, { sort: { createdAt: -1 } });

{
    "slug": "0u-00000124",
    "createdAt": "2017-03-23T14:05:11.934Z",
    "price": 384
},
{
    "slug": "0u-00000125",
    "createdAt": "2017-03-23T14:07:11.934Z",
    "price": 125
}