Just got this email offer from Virgin:-
This offer is exclusive to you, which means in addition to the 10% bonus Points promotion this month you have been offered an additional 5% bonus Points. The additional bonus Points will be allocated to your Velocity Frequent Flyer account up to 4 weeks after 31 July 2017.
NOTE:- Landing page for link does not specify 15%, it still says 10%. Check your emails to see if you have the 15% offer.
Screenshot:- https://files.ozbargain.com.au/upload/138819/50822/velocity_…
10% or 15% ?
your description and the click through link both says 10%