Sweden, Postage due Facit L16 cover, 20 öre as postage due on insufficiently prepaid stamped envelope 10 pf sent from FRAUSTADT 30.9.90 (today Wschowa, Poland). Postage due mark T, notations "12½" (c), and "20" (öre). Cancellations PKXP No 10A UPP 2.10.1890, UPSALA 23.11.1890, POSTINSPEKTIONEN SÖDRA DISTRIKTET 24.NOV.90 (very rarely used on stamps), RETUR, PKXP No 2B UTR N 25.11.1890, and FRAUSTADT 26.11.90. Also label "Inconnu. Okänd". Scarce undeliverable postage due usage with very good documentation. EXHIBITION ITEM. (Image1)