#3050-55 "BUTTERFLY" IMPERF SET OF SIX. MNH; TOP SIX FROM SHEETLET. AS SHOWN FRONT & BACK. The item "POLAND #3050-55 BUTTERFLY IMPERF SET MNH TOP SIX FROM SHEETLET RARE" is in sale since Saturday, January 18, 2020.This item is in the category "Stamps\Europe\Poland". The seller is "stampsnstuff" and is located in East Northport, New York. This item can be shipped worldwide.