Proof print from the uncirculated "Polish Cities" banknote series designed by Andrzej Heidrich.
The complete series, in other color variations, is presented on our website GNDM.pl
Format 138 x 63 mm.
No deflections in the field; two minor corns in the margins and minor freshness of the very tips of the corners.
A very rare item and issue, with sporadic single pieces appearing in the trade once every few years.