The two flags were presented to the same person 小林政雄 Kobayashi Masao.
The recipient of the white envelope and the owner of the green notebook and two bags are 小林國雄 Kobayashi Kunio, who lived in 新潟県長岡市袋町 Fukuro town, Nagaoka city, Niigata prefecture. He would be most likely the father of Masao.
A word 遺髪在中 "deceased's hair" is written on the white envelope in the picture Flag 2, and another word 遺言書 "will/dying words" is written on the two papers between the two flags, so Masao had died.