Opinions wanted: What is the most versatile print size for a touring photo exhibit?

Putting aside any considerations about aspect ratio, budget, and print resolution, if you had to choose one single print size for a photo series (that would tour around multiple locations), what would it be? If I didn't have any budget limitations I would probably print the series (of 10-15 images) in 2-3 sizes to ensure it fits in a variety of spaces. I feel like 11x14 strikes an ideal balance between ease-of-viewing from afar and compatibility with a wide variety of spaces/wall sizes. What do you think?Thanks in advance for your input. via /r/photography https://ift.tt/3iokRu3