1944 Philippine National Bank (PNB)
1944 Treasury Certificate Issue
Post Surrender Note

Unreporte/Error?: Stamp is always on the back, has been reported to be on the back. 
This one has it on the front. 

S337 Fifty Cenatvos Emergency Note:
Serials Range: #165,001 to #539,980
Serial: #413,850

C/S SPECIAL MUNICIPALITY OF SIBUYAN, ROMBLON PHILS.
Very very rare

Please Refer To The Scans For Condition.
REGISTERED International Mail w/Tracking