KV)1978 POLAND, CIRCULATED PRINTED MATTER COVER, SENT FROM THE HORTUS BOTANICUS UNIVERSITATIS POSNANIENSIS IN POZNAŃ TO MR. RUSSELL L. EDWARDS AT THE BLANDY EXPERIMENTAL FARM, ORLAND E. WHITE ARBORETUM, BOYCE, VIRGINIA, UNITED STATES, BEARING A SINGLE POLISH STAMP WITH A STYLIZED FLORAL DESIGN, CANCELLED.