It is a stamp "Commemorating the Founding of the People's Republic of China".

In order to remember the grand founding ceremony of the People's Republic of China, on November 1, 1949, the Post and Telecommunications Administration of the Liberated Area of ??Luda in Liaodong Peninsula issued the stamp "Commemorating the Founding of the People's Republic of China", which marked the founding of the People's Republic of China. The first set of stamps to commemorate National Day was born later. "Commemoration of the Founding of the People's Republic of China" stamps, a complete set, the size of the stamp is 30×27 mm.

The stamp pattern uses the front gate of Beijing as the background. The semicircular three-dimensional gear on the left is clearly printed with the red official script name "Commemoration of the Founding of the People's Republic of China in 1949", and on the right is a side fluttering in the wind. The five-star red flag and a radiant yellow five-pointed star are painted with the image of Chairman Mao waving his left arm. The Great Wall, factories, machines and mass parades are outlined under the national flag.

The Arabic numeral "35" (Kuanto currency) is printed in the upper left corner, and the words "Luda ??Post and Telecommunications Administration" and "35 yuan" (face value) are printed in blue regular script in the lower left and right corners respectively. The stamp was designed by Cao Hongyi, and the layout was drawn by Qin Shaopu. It was overprinted with red, blue and yellow offset plates and printed by the printing house of Luda People's Daily (today's Dalian Daily).

Extended information:

Although the printing of this stamp is slightly rough, it is still simple and heavy. It has a clear theme, warm and eye-catching pictures, and bright colors. It is a rare color printing stamp among the stamps in the liberated areas of our country and among the stamps issued in the early days of the founding of the People's Republic of China. This stamp appears for the first time with the words "1949 Commemoration of the Founding of the People's Republic of China", setting a precedent for the issuance of stamps commemorating the National Day theme of the People's Republic of China. It is also the first stamp of the People's Republic of China to display the national flag of New China, the five-star red flag. The stamps have left a mark in the history of Chinese stamps. This ticket has a circulation of 100,000 pieces, was discontinued on June 30, 1950, and ceased use on July 8. Due to its short release time and the limited number of copies left in existence, it is extremely precious.

Reference material: People's Daily Online - New China's first National Day commemorative stamp