Are there any benefits or gifts from transferring older generations Pokemon to the newer ones?
I can't remember correctly but I read somewhere that if you traded Pokemon from Gold or Silver from Virtual Console to Ultra Sun or Ultra Moon you were able to get a full set of the johto poke balls (Apricorn).
Aside from that, is there any other benefit from transferring Pokemon from older generation (Pokemon RBY/GSC from the virtual Console, and Pokemon RSE/FRLG/DPP/HGSS/BW/B2W2/XY/ORAS) to Gen 7 games(USUM)?
By this I mean anything, like a certificate, an item, a PC Wallpaper, something obtained for taking the time to transfer your old mons.
Edit: It would be nice to also know if there is anything to be obtained from transferring Gen 3-5 to Gen 6 games, but my main interest is from Gen 7, since they are the only ones where you can get Pokemon from all generations.