MyBankNotes: 
Poland
Poland pick 138a: 50 Zlotych from 1948
1.7.1948. Green on light green and olive underprint. Portrait sailor at right, eagle at center. 4 serial number varieties. Back: Ships at dockside. Watermark: Woman.
Other Info
Condition:
G
Serial #:
EM1378263
Also Owned By:
Poland pick 149b: 20 Zlotych from 1992
1.6.1992. Brown and purple on multicolor underprint. R. Traugutt at left center, arms at lower right. Back: Large value. Watermark: Arms. Double letter serial number prefix.
Other Info
Condition:
G
Serial #:
AT4496559