Is this Bobbi Brown moisture rich foundation authentic?

[txhoa16]

Hi everyone,

I came across this seller who is selling not for resale samples of Bobbi Brown Moisture Rich Foundation so I was just wondering if this is an authen product of Bobbi Brown?

http://www.ebay.com/itm/330518280705?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649#shId

Thanks a lot!