Automatically he tracked details - headband, traditional robes, the pose of a proper young master circa pre-Revolution - and does his best attempt of a bow in formal apology. Wu Xie was well-aware it wouldn't match the kind that someone of a different era, but he was brought up properly of sorts and was an Elder of the Mystic Nine.

"The patina is wrong. See how uniformly green it is and yet the designs are in stark relief?"

He pursed his lips as he looked at the bell, digging into his pocket before remembering that right, he left those at home, and instead pulling out a bronze coin.

"See the difference in the color as well? The darker brown of this can be explained by the number of people who have held it while a bell isn't something you just stick into your pocket or wear on your belt. Someone took a lot of effort to age that bell but they did it too uniformly without making sure to leave some natural patches of bronze under. I would think that it's a base metal of some sort, probably with a thin coating of copper on top."