Hello!  I could really use some help trying to identify three chinese banknotes:

What I know so far:

Note #1:

1.  Issued by the Central Bank of China

2.  Note is dated 1945.

3.  Back of note is similar to P-426 1,000,000 Gold Yuan dated 1949.

4.  Signature combination on mystery note does not appear on any other notes until 1949.

5.  Note was printed by the American Banknote Company and has security planchets consistant with ABNC issues.

Here is the note and the printer characters on front: (Click on note or link for higher resolution image)

P-4xx?, 1,000,000 Gold Yuan, 1945 - Front

P-4xx?, 1,000,000 Gold Yuan, 1945 - Back

P-4xx?, 1,000,000 Gold Yuan, 1945 - Printer characters

Notes #2 & #3

1.  They were issued by The Central Bank of China

2.  The issue date is 1949

3.  The denominations are 5 Million Gold Yuan and 10 Million Gold Yuan respectively.

4.  They appear to be part of the "P-449" series, although they appear to be a variety/issue not currently listed.

5.  They are purported to have been brought out of China by a missionary who had to flee as the Communists took over (only adding this because it may be possible they were an extremely small issue and most examples never made it into circulation).

6.  They appear to have been issued by the Chungking Branch.

Well, that is all I have been able to determine so far.  Any other insights or speculations would be greatly appreciated.

Here are the notes and the printer names: (click on note or link for higher resolution image)

P-449?, 5,000,000 Gold Yuan, 1949, 80mm x 165mm, Uniface P-449?, 5,000,000 Gold Yuan, 1949, Printer Name (Higher Resolution)	P-449?, 10,000,000 Gold Yuan, 1949, 91mm x 178mm, Uniface P-449?, 10,000,000 Gold Yuan, 1949, Printer Name (Higher Resolution)

Please email comments to:  rjwise1@iupui.edu

Thank you.