Ryohei Ishikawa (born July 1927) is a Japanese banker, the former chairman of and the . He is a philatelist specialising in the stamps and postal history of the United States, Hawaii, and Hong Kong.
Ryohei Ishikawa (born July 1927) is a Japanese banker, the former chairman of and the . He is a philatelist specialising in the stamps and postal history of the United States, Hawaii, and Hong Kong. (en)
Ryohei Ishikawa (born July 1927) is a Japanese banker, the former chairman of and the . He is a philatelist specialising in the stamps and postal history of the United States, Hawaii, and Hong Kong. (en)