Old Man's pocket watch, it's imbued with magic that allows him to summon the portern and activate it's doorway. Heavily engraved, ancient, shifting lines of text laid aroudn the edges. Incription should be something to do with Magic, TIme, HUmanity and Danger.
The ship that the old time travelera appears in the harbour water next to, it has an eery glow and the deck is lit by a soft flickering orange candlelight from whale fat candles mounted into candlestick holders aroudn the ship. There is something, magical but dangerous about it