North West China Liberation Area

Northwest China is the postal region made up of the provinces of Gansu (Kansu), Ningxia (Ninghsia), Qinghai (Tsinghai), Shaanxi (Shenshi) and Xinjiang (Sinkiang).

All stamps were issued without gum.

Shaan Gan Ning Area
 File:NW china pagoda 1st.jpg| Yan'an Pagoda 1st issue File:NWChina Pagoda 3rd.jpg|Yan'an Pagoda 3rd issue File:NW China tower 4th.jpg|Yan'an Pagoda 4th issue 
 * Beginning in 1946, a design with the Yan'an Pagoda was released, inscribed Shaan Ga Ning border area.png, imperf with some values also rouletted. Print quality ranges from excellent to poor.
 * The 1946 issue has vertical shading lines on the columns. The cloud above the pagoda has a well-defined edge at top. The cliff side has 2 large light or white patches depending on print quality.
 * Later in 1946, the 1 yuan value was surcharged with four different styles of new values. The 5y was surcharged in 1949.
 * The 1948 2nd issue of has the vertical column shading lines removed.
 * The 1948 3rd issue of has dark/colored columns with fancy "W"-shaped designs.
 * The 500y value from the 2nd issue was surcharged 2y.
 * The 1949 4th issue has vertical shading lines on the columns but no white patches on the cliff.

Shaanxi
 File:NW China vert Shaan.png|Vertical overprint on Unit stamp 
 * In 1949, three Unit stamp values were overprinted vertically NW China Shaan.png.
 * Also in that year, Gold Yuan stamps were overprinted vertically People's Rep Post LtoR.png with Shaan Nan.png placed horizontally.
 * For North Shaanxi, a 50y on 3y first issue Yan'an Pagoda surcharge was issued.
 * For South Shaanxi, a design with a locomotive was released.
 * Again for South Shaanxi, three different designs of Mao were issued, imperf and rouletted.

Gan Ning Xing Area
under construction  File:NW China Vert Gan.jpg|Vertical overprint on Unit stamp 
 * In 1949, a two horizontal line provisional overprint on Nationalist issues was issued for Ningxia Province.
 * Also in 1949, a vertical overprint on Nationalist issues was released, reading NW China gansu.png.
 * Also in 1949, the inscription was changed to a block format with xxx at bottom
 * A 3-line surcharge for Tianshui (Tienshu) was issued with

Regional issues
 File:NW China Great Wall.jpg|400y Great Wall File:NW China Mao B.jpg File:NW China victory.jpg 
 * In 1949, four values were issued in two designs showing either the Great Wall or a portrait of Mao. They were inscribed Northwest China inscr.png.

Xinjiang (Sinkiang)
Communist forces took Xinjiang in October 1949.  File:Sinkiang surch 1 0n 5000.jpg|10c on $50,000 plum blossom File:Sinkiang horiz surch.jpg|$1 on domestic mail Unit stamp File:Sinkiang horiz surch.jpg|$3 on registration Unit stamp 
 * National Silver Yuan surcharges were overprinted in violet.
 * Four odd Republic of China values were surcharged East China Post A.png, then Xin character.png in parentheses/brakcets, then the new denomination in Chinese.

For earlier issues as a province of the Republic of China, See:Sinkiang.

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