October 17th-18th was 50th Celebration at Tokyo location. Unclear if mug was available then or only afterwards to members of the Trader's Treasure Hunters through the Trader Vic's online store.
Physical Characteristics
Material
Ceramic
Shape
Tiki
Colour
Grey
Imagery
Tiki
Marking
"Trader Vic's Tokyo 1974-2024 Fifty Years of Paradise" on reverse. Bottom is marked "1974-2024 Made In Japan" along with some writing in Kanji that appears to be "Tokyo" between the dates. More Kanji above the dates as well.