左图是30年代的一枚实寄封,该封长15.1cm,宽7.3cm,为中式红条封,收信人是:陈正人、陈家俊收;寄信人:江西省苏维埃政府执行委员会,曾缄;信背面发信人手书:机密信件,邮局勿失,曾如柏,1931.5;贴一枚赣西南赤色邮票蓝壹分,有三枚邮 Left is a real seal of the 30s, the seal length 15.1cm, width 7.3cm, for the Chinese red bar seal, the recipient is: Chen Zhengren, Chen Jiajun received; sent to people: Jiangxi Province, the Soviet government executive committee, had closed; letter The back of the letter Writer: confidential letters, the post office do not lose, once such as Bo, 1931.5; paste a Southwest red stamp blue one point, there are three mail