1883, single page and additional material with 12 finished reproductions, two proofs in color, a black proof and a color trial proof annotated by Sperati and dated 1945 (ex Sperati archives), group includes the rare 5c on 24c green that does not exist genuine, all but 4c proof are ex Carl Walske

1886/87, the collection on three pages, includes 45 items (31 reproductions, 3 proofs and 14 BPA card proofs), five types are shown that were first reported in Sperati II, all except the BPA proofs are ex Carl Walske

1865, single page with a unique working color proof as well as a finished proof in color on toned paper, also three BPA card proofs, the proofs in color are ex Carl Walske

1890/94, single page with 3 finished reproductions, 2 unique overprint proofs and 5 BPA card proofs, the surcharge proofs and reproduction were first reported and illustrated in Plate A of Sperati II, all except the card proofs are ex Carl Walske collection. Also included, but not mounted, is a genuine 5a surcharge from Sperati stockbook that apparently served as the model for Sperati's image used to make the forgery

1848/79, the mounted collection of 8 reproductions and three BPA card proofs, includes the 1848 issue 1d signed proof in color described as being unique in Sperati I (ex Robson Lowe collection), the 1860 issue 9d proof and an "unused" reproduction, one of two known 1879 issue 13c type B reproduction (illustrated in Sperati II) as well as the 1879 issue 38c finished reproduction illustrated in Sperati I, all ex Carl Walske

1886, the mounted collection of 13 items on two pages, includes 9 proofs and four finished reproductions, includes 5s type B reproduction and type C proof each first reported in Sperati II, all items are ex Carl Walske

1890, page with one finished reproduction, illustrated in Sperati I, plate 18, ex Walske and 3 BPA card proofs

1885/86, the mounted page with 9 items, includes 1886 issue 6d proof in black (the only format reported as having been seen in Sperati I), 1s finished reproduction with forged cancel and proof in color, also 6 BPA card proofs

1883, single page with a die proof in color, 9 BPA card proofs and two exceptional and rare models used to make forged cancels, the genuine models have their genuine cancels retouched with paint, Sperati then photographed removing the background to make his cliché for the forged cancels, it is obvious by comparison with the BPA card proofs that show cancels over the perforations that these are the original models, they were found in Sperati's...

1884, the single page with the two different proofs in color, ex Walske and four BPA card proofs of forged cancels

Litauen: 1925, III. Küsten Segelflug Wettbewerb mit Zuleitung aus Litauen, Flugpostkarte mit Freimarke 60 C. von „KLAIPEDA 16.V.“ mit Absender L3 „Junkers-Werke Abt. Luftverkehr Flugleitung“ und L1 „Memel“, adressiert Rittmeister Röhre, Leiter der Segelflugschule Rossitten mit vorderseitigem Segelflug-Sonderstempel vom 17.5. als Flugpostbestätigungsstempel (siehe Otto 1925-56)
 

Litauen: 1925, III. Küsten Segelflug Wettbewerb mit Zuleitung aus Litauen, Flugpostkarte mit Flugpost 40 und 20 C. von „KLAIPEDA 16.V.“ mit Absender L3 „Junkers-Werke Abt. Luftverkehr Flugleitung“ und handschriftlichem Vermerk „Memel“, adressiert an den Leiter, Rittmeister Röhre, der Segelflugschule Rossitten mit vorderseitigem Segelflug-Sonderstempel vom 17.5. als Flugpostbestätigungsstempel (siehe Otto 1925-56)