Yes it is. Holographic cards that have a black star are considered Ultra Rare. Below symbols will tell you how rare that card is. The symbol is located in the bottom right corner along with the card's number out of that set.
Holographic background and a Black Star = Ultra Rare Black Star = Rare Black Diamond = Uncommon Black Circle = Common
I will be shipping it in a regular envelope. I put all of my cards I send out in a TCG sleeve and then in a thick card protector like this. http://www.collectorssupplies.co.nz/images/120.jpg