Circa 1896, 2c. wrapper + Sc.34a strip of 3 (total postage 8c.) with extremely rare combined postmark: "Double circle without date in the center or town name CORREOS-PARAGUAY" and straightline "Colonia Nueva Germania", excellent and rare! (Image)

FE/1928 YBITIMI - Romania, registered cover (1.50P. postal stationery + additional postage for 3P.), with rare postmark of origin, and arrival backstamps of 10/MAR, excellent quality, very scarce destination! (Image)

6/JA/1930 Asunción - Germany, airmail cover with nice multicolor postage, sent by Aeroposta Argentina S.A. / C.G.A., with Buenos Aires transit mark and arrival on back, VF quality! (Image)

5/AP/1935 Asunción - Germany, cover flown by ZEPPELIN, without marks on back, very fine quality! (Image)

12/AP/1935 Asunción - Switzerland, registered airmail cover with very nice postage on front and back, excellent quality! (Image)