Anyone to translate Japanese ?

[fernando]

In context with the Portuguese arriving for the first time in Japan in 1453, in the island of Tanegashima, where the local lord purchased from them a couple matchlock guns, giving place to a great expansion of such armament ...
Some time ago the Japanese postal services issued a stamp commerating the 450 years of the Portuguese arrival in their lands.
Would there be a member able to translate the inscription in such stamp. Any connection to the historic matchlock introduction ?.

Thank you in advance.


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