I designed the official image for WACOM presence at international creative events.
It will be already in use at Lucca Comics And Games 2019 (booth temporary previz below, details may change).
The file itself is a a 35K wide image. Painted with photoshop CS5 on a Cintiq PRO 24.
Here is the complete making of, directly from my twitch channel (twitch.tv/lrnzlrnzlrnz):