Banner showing on the eBay homepage, 5 x bonus nectar points per £1 spend, runs 14th to 17th Jan. Activate the promo to opt in. £15+ min spend. Assume this promo is pretty generic as the banner is also showing on a logged out account. Points will be awarded in 28 days.
p.s. I had to refresh the homepage a couple of times to see the promo
Once you have activated the promo you should see items displaying 5x nectar bonus e.g.