1st Print Mao Zedong Stamps (Northeast) (第一版東北毛澤東像郵票)

Northeast Directorate General of Post and Telecommunications (東北郵電管理總局)

1st stamp issue (Yang NE2-4, NE6-8, J.DB-32)

Regular Issue: 1st Print Mao Zedong Stamps (Northeast) (第一版東北毛澤東像郵票) (1946)
All stamps of this issue shown here.
Issued:22 November 1946
Issued by:Northeast Directorate General of Post and Telecommunications (東北郵電管理總局) in Harbin (哈爾濱)
Printed by:Daxin Printing House (哈爾濱大新印刷局)
Print method:Lithography on white paper, L11 or imperforate
Sheet size:10 x 10 = 100 (2 元), 10 x 8 = 80 (others) or 2 x 3 = 6 (booklet pane)
Designer:Hao Limin (郝利民)
Currency:Northeast Currency (東北幣)
Valid until:1 July 1951

Perforated:

Imperforate (unissued):

This set exists also as booklet panes (complete booklets are unknown, only booklet panes exists). 

Perforated  booklet panes:

Imperforate booklet pane (unissued):

 
Attention: Beware of falsified imperforate booklet panes by cut out of stamp sheets!

A genuine booklet pane need to have:
1.) Very wide margin at top
2.) A small horizontal stroke (cut marks) at left or right bottom or top. 
3.) The margin left and right need to be wide as the horizontal distance between the stamps in the middle (not a must if print of the stamps shifted to the left or right).
4.) The bottom margin need to be wider as the vertical distance between stamps (not a must if print of the stamps shifted up).
5.) Dimension is at least 52 mm x 93 mm.

When just one of the point 2.) ~ 4.) apply you have a booklet pane. If none apply but 1.) and 5.) you might have a booklet pane, but to prove it can be difficult up to impossible.

Incorrect certificate issued bei RPSL (Royal Philatelic Society London). Upper right corner block of six from a sheet, it’s not a booklet pane:


 

Trade Prices 2018 (USD) 
(★)
Yang Cat. No.Remarks
2 元dark orange redL11
5,00
7,00
NE2
L11 booklet pane
2.000,00
--unissued
L11
80,00
--,--
NE2ahorizontal pair, imperf. between
L11
80,00
--,--
NE2cvertical pair, imperf. between
L11
10,00
--,--
NE2done margin imperf.
L11
20,00
--,--
NE2etwo margins imperf.
imperf. ☐
10,00
NE6pair, unissued
imperf. ☐ booklet pane
900,00
NE6aunissued
5 元orangeL11
5,00
7,00
NE3
L11 booklet pane
200,00
--,--
NE3a
imperf. ☐
10,00
NE7pair, unissued
imperf. ☐ booklet pane
600,00
NE7aunissued
10 元blueL11
5,00
7,00
NE4
L11 booklet pane
280,00
--,--
NE4a
imperf. ☐
15,00
NE8pair, unissued
imperf. ☐ booklet pane
350,00
NE8aunissued