Black and tan collie bitch

Black and tan collie bitch in great health, roughly 7 months old, very friendly, affectionate, obedient, knows basic commands sit, stay ect. House trained, gets in and out of the boot of the car, good with cats and other dogs, seems like it came from a good home, not microchipped or spayed, found on my doorstep on a country road between tyrellstown and Ashbourne on Sat 22/2/2020 at 10:00am, heading off to dogs aid 23/2/2020.