It was not a very fancy cup, meant to be purchased and fairly 'disposable' if needed by patrons and the stall owner. But that didn't mean it hadn't been made with care. There's also the fact that Loki had brought tea for everyone in the shop working right then; that in itself also had meaning.

"Not hard for me to do, and I thought we all could use one." Before taking a sip of his own cup of tea. "How much did Webby startle you?" With a hint of amusement and smile.