Meanwhile, as V was about to touch the painting, a male voice asked

"Excuse me, ma'am. I would ask you don't touch the paintings." It was a butler. While all the butlers weren't identical, they all had combed back hair and moustaches. 

He then reached into his pocket and took out a key.

"And this is yours. I hope you enjoy your stay here." He said, holding out the key for V to take.