Canon is on the verge to announce a new full frame mirrorless camera called the Canon EOS RP. This rumor comes from one of the trusted source, Nokishita. They^ve found the registration data for a new Canon battery grip to come in three different colours. The name of the Battery grip EG-E1 and made for EOS-RP camera.
We already know that Canon is working on more full frame mirrorless cameras for 2019. These models might serve APs-c and full frame sensors. This Canon EOS RP is well could be the next EOS R ($2,299 at Amazon, B&H, Adorama) series camera as an entry-level. See more about the Canon EOS RP specs and price predictions.