Dubai Expo 2020 golf balls

I don't collect golf balls, and I have no intention of starting a collection.  It just so happens that I acquired the above golf balls in Dubai before the city won its bid to host Expo 2020.  If I remember correctly, the balls were being given out at the Emirates Golf Club during old editions of both the Omega Dubai Ladies Masters and the Dubai Desert Classic.

Al Ain Golf Club golf ball

Al Ain Equestrian, Shooting and Golf Club (formerly Palm Sports Resort) has a new logo, but it's still not selling any merchandise with the new logo.  The staff told me they were still trying to sell off items with the old logo.  On the other hand, the golf course at the Hilton Hotel is not selling any item with the hotel's or the golf course's logo.  Meanwhile, Al Ain Golf Club, which has a sand course, does not sell any tee or ball marker, but I was able to purchase for Dh30 (@US$8) three golf balls with the club's logo: