Question: A Cincinnati entrepreneur and coin collect was responsible for the issue of a coin to mark the 100th anniversary of Cleveland, Ohio that was struck in Philadelphia during which two years?
Sentence (from "Tenpō Tsūhō"): The Tenpō Tsūhō (Kyūjitai: 天保通寳 /天保通寶 ; Shinjitai: 天保通宝 ) was an Edo period coin with a face value of 100 mon, originally cast in the 6th year of the Tenpō era (1835).
Relevant evidence: No