![Penelope ~ Mastiff x Boxer puppy (On Trial 15/9/18 - Medium Female Boxer x Mastiff Mix Dog in NSW - PetRescue Penelope ~ Mastiff x Boxer puppy (On Trial 15/9/18 - Medium Female Boxer x Mastiff Mix Dog in NSW - PetRescue](https://res.cloudinary.com/petrescue/image/upload/v1535632471/rtel4rlvu2jn73fqbghn.jpg)
Penelope ~ Mastiff x Boxer puppy (On Trial 15/9/18 - Medium Female Boxer x Mastiff Mix Dog in NSW - PetRescue
![I think my dog (on the right) is a Boxer/Bullmastiff Mastiff cross breed (which apparently is a thing). Thoughts? : r/Boxer I think my dog (on the right) is a Boxer/Bullmastiff Mastiff cross breed (which apparently is a thing). Thoughts? : r/Boxer](https://preview.redd.it/j2xf84e1dz551.jpg?width=640&crop=smart&auto=webp&s=adfb658ce8c4c82522d88edf6a05270a46d0b3aa)
I think my dog (on the right) is a Boxer/Bullmastiff Mastiff cross breed (which apparently is a thing). Thoughts? : r/Boxer
Boxer Mastiff Amstaff Mix - It's Fridayyyy, good week end to everyone 😁😁😁 #mastiff #bullmastiff #love #fatherandson | Facebook
![Boxer Mastiff Mix: Boxmas Breed Info, Size, Puppies & More | Boxer mastiff mix, Mastiff mix, Boxer mix puppies Boxer Mastiff Mix: Boxmas Breed Info, Size, Puppies & More | Boxer mastiff mix, Mastiff mix, Boxer mix puppies](https://i.pinimg.com/736x/81/c6/4c/81c64cce7666cf73a820985c68592973.jpg)