He presumably didn't want their first steps to be in the full glare of the attention and judgement that comes with being a member of one of the world's most famous families. A nepo baby supreme.
НХЛ — регулярный чемпионат
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第四十六条 违反有关法律法规关于飞行空域管理规定，飞行民用无人驾驶航空器、航空运动器材，或者升放无人驾驶自由气球、系留气球等升空物体，情节较重的，处五日以上十日以下拘留。
The stamp has a thin dark inner border line just inside the perforations, framing all content. Below this inner border line, there is a flat white horizontal strip spanning the full bottom width of the stamp, sitting inside the perforated edge. In the bottom-left of this white strip: the movie title in large heavy bold grotesque sans-serif font (similar to Franklin Gothic), in solid black. In the bottom-right of this white strip: the most accurate and natural Japanese kanji translation of the title or central theme of the movie in large bold black text, with small text above it reading “NIPPON 郵便”, and two lines of tiny black text below it — the first line showing the most iconic or recognizable location from the movie in all caps, and the second line showing the country where the movie was produced followed by a · and the year the movie was released — all right-aligned.