Memorial of Signing Sino-Soviet Treaty of Friendship, Alliance and Mutual Assistance (中蘇友好同盟互助條約簽訂紀念)

China Ministry of Posts and Telecommunications (中國郵電部)

Yang C54-56, J.DB —

Commemorative Issue: Memorial of Signing Sino-Soviet Treaty of Friendship, Alliance and Mutual Assistance (中蘇友好同盟互助條約簽訂紀念)
All stamps of this issue shown here.
Issued:Originals: 1 December 1950, reprints: 10 January 1955
Issued by:China Ministry of Posts and Telecommunications (中國郵電部)
Printed by:Originals: Beijing Chinese People's Printing Factory (北京中國人民印刷廠), reprints: Beijing People's Printing Factory (北京人民印刷廠)
Print method:Recess on white paper, perforate L14
Sheet size:5 x 10 = 50
Designer:Sun Chuanzhe (孫傳哲)
Currency:Northeast Currency (東北幣)
Valid until:1 August 1951

Originals:

Reprints:

For the reprints were the same printing plates without any modifications used so the differences originals / reprints are harder to recognize:

a.) Reprints were printed on a different type of slightly yellowish paper, often the print structure is visible from rear side:

b.) Reprints have a slighter different color shade:

c.) The reaction under UV light (365nm) is very different:


Remarks (in general / for this issue):
– Reprints were only made for collectors, they came in sale after the validation of Northeast China stamps and can’t exists used.
– Specialists can classify varieties of these stamps as narrow or wide (a typical characteristic of the recess printing method by using high pressure on damp paper).
– A set of reprints has a market price about 4.- USD (2018).


Trade Prices 2018 (USD) 
(★)
Yang Cat. No.Remarks
Set of 3
50,00
35,00
C8NE
2500 元blackish roseL14
15,00
10,00
C54
5000 元blackish greenL14
15,00
10,00
C55
20000 元blackish blueL14
20,00
15,00
C56