1947-49 Antarctica, imperforate, set of three blocks of four, n.h., v.f. (Cat No. 561-63var) (Image)

Est.$250

1950 "ELFIRA" presentation booklet, with imperforate blocks and souv. sheets, trial colors, etc., v.f., only 300 issued (Cat No. 587-93,CB1-5P) (Image)

Est.$400

1930 First Flight from Buenos Aires to USA, franked with the complete set of Zeppelin overprints in blue, with appropriate markings, fine. Complete sets on a single cover are relatively scarce (Image)

Est.$250

1930 Zeppelin Issue, blue overprint complete set of five, also 90c overprinted in green, on flown Round-the-World flight cover to Germany, little toning, otherwise fine-v.f., rare on one cover (Cat No. C20-24,27) (Image)

Est.$500

1960 "Temex" presentation booklet with 16 imperforate blocks in various colors, v.f., rare (Cat No. B26-34P) (Image)

Est.$300