A set of 49 prints, heliogravures and etchings, tipped-in on 285 x 257 mm grey cards, in a green marbled folder with a gilt-lettered black label to the front. No publisher, no place, no year (s.l., s.n., s.d.), printed in circa 1910.

1. Vlastimil Blažek (Czech, 1878 – 1950): heliogravure, sheet 180 x 137 mm, plate 152 x 114 mm; laid paper, black sepia ink; unsigned.
2. Ex libris Gerhard Wunderlich (architect in Dresden): heliogravure, sheet 205 x 150 mm, plate 158 x 115 mm; wove paper, brown sepia ink; inscription: heliogravure, sheet 180 x 137 mm, plate 152 x 114 mm; laid paper, sepia ink; inscription to top “Es ist alles so eng”; signed “F (backwards). Bayros”.
3. Ex libris William Lipka: heliogravure, sheet 140 x 125 mm, plate 112 x 98 mm; laid paper, black sepia ink; signature hardly legible.
4. Nikolaus Schindler (amateur photographer in Vienna): heliogravure, sheet 142 x 150 mm, plate 110 x 117 mm; laid paper, black sepia ink; unsigned.
5. Sussy de Coiquard: heliogravure, sheet 160 x 140 mm, plate 128 x 110 mm; laid paper, black sepia ink; unsigned.
6. Illegible, looks like “Vielluer Febréy”: heliogravure, sheet 120 x 109 mm, plate 93 x 85 mm; laid paper, black, sepia ink; signed “F (backwards). Bayros:”.
7. Ex libris Erich Liebermann-Rosswiese (Greman-Jewish, 1886 – 1942): heliogravure, sheet 180 x 139 mm, plate 118 x 88 mm; wove paper, black sepia ink; unsigned.
8. Ex libris Dr. phil. Rudolf Ludwig: before letters, heliogravure, sheet 150 x 132 mm, plate 120 x 110 mm; laid paper, black sepia ink; unsigned. See [LIB-3258.2023] John Cleland. Die Memoiren der Fanny Hill. — Paphos [i.e. Vienna]: C. W. Stern, 1906.
9. Unidentified: before letters, heliogravure, sheet 150 x 115 mm, plate 113 x 88 mm; laid paper, black sepia ink; signed “F. Bayros” in the manuscript. Circumstantial evidence tells that this bookplate belongs to someone A.W.(Artur Wolf). See №22.
10. Lulu. Monachia. Gest. v. Ritter Dialekt und Junker Erich: heliogravure, sheet 204 x 152 mm, plate 160 x 118 mm; wove paper, black sepia ink; unsigned. See №20.
11. Kellner Jstván: (István): heliogravure, sheet 118 x 100 mm, plate 85 x 70 mm; laid paper, black sepia ink; signed “Franz Bayros” in the script (hardly legible).
12. Adyton: heliogravure, sheet 170 x 130 mm, plate 113 x 85 mm; wove paper, black, sepia ink; signed “F (backwards). Bayros”.
13. 13.Ex libris George Arthur Buhl (American, 1883 – 1959): heliogravure, sheet 166 x 140 mm, plate 120 x 92 mm; wove paper, black sepia ink; inscription “!I will! | !And I can!”; bust inscribed “T. Carlyle”; signed “F (backwards). Bayros” (hardly legible).
14. Ex-Libris Heinrich und Lise Fuhrmann: heliogravure, sheet 165 x 149 mm, plate 120 x 103 mm; wove paper, black sepia ink; signed “F (backward). Bayros”; inscription “So schaff ich am sausenden Webstuhl der Zeit und wirke der Gottheit lebendiges Kleid” (from ‘Faust’ by Goethe).
15. Ex libris Gerhard Wunderlich (architect in Dresden): heliogravure, sheet 165 x 137 mm, plate 135 x 105 mm; laid paper, black, sepia ink; signed “F (backwards). Bayros”.
16. Ex Libris Walther u. Amelia Fahrenhorst; Walter Fahrenhorst (German, 1871 – 1938): heliogravure, sheet 165 x 140 mm, plate 128 x 95 mm; wove paper, black sepia ink; signed “F. Bayros” in the manuscript. The inscription behind the strings: NITOR (lat. beauty, glamour).
17. Ex Libris Margot Lewknecht; heliogravure, sheet 145 x 140 mm, plate 128 x 118 mm; laid paper, black sepia ink; signed “F. Bayros”.
18. Ex Libris Walther Heinisch (publisher in Carlsbad); heliogravure, sheet 185 x 145 mm, plate 140 x 110 mm; wove paper, sanguine; male bust with an inscription to the base: “Arnold Boeklin” / Arnold Böcklin (Swiss, 1827 – 1901); inscription: “mit gêru scal man geba infâhan” – a line from Hildebrandslied, the earliest poetic text in German. Unsigned.
19. Bookplate with music score GGDBGC; heliogravure, sheet 125 x 135 mm, plate 100 x 110 mm, with monogram «HCJ»; laid paper, brown sepia ink; signed “F. Bayros”.
20. Bookplate with inscription: Lulu aus Praga | Gest v. Ritter Dialekt / Monachia / Monachia / und Junker Erich; heliogravure, sheet 182 x 147 mm, plate 160 x 120 mm, image 122 x 105 mm; wove paper, bluish-black sepia ink; unsigned. See №10.
21. Bookplate, no inscription; heliogravure, laid paper, sepia ink, sheet 148 x 127 mm, image 84 x 79 mm; signed F. Bayros in the manuscript beneath the image.
22. Ex libris Artur Wolf: heliogravure, laid paper, sepia ink, sheet 170 x 150 mm, image 120 x 105 mm; signed F. Bayros in the manuscript to the frame of the image. See №9.
23. Ex Libris E. K. Weigl: heliogravure, laid paper, sepia ink, sheet 139 x 121 mm, plate 112 x 97 mm; unsigned; inscription above male portrait: “LEONARDO”.
24. Ex libris Dr. A. Bergmann: heliogravure, wove paper, sepia ink; sheet 180 x 140 mm, plate 130 x 105 mm; signed F. Bayros in the manuscript.
25. Grete Cäcilie (monogram “PS”): heliogravure, laid paper, sepia ink, sheet 161 x 130 mm, plate 128 x 103 mm, signature illegible.
26. Emma Steigleder: heliogravure, laid paper, black ink, sheet 181 x 141 mm, plate 158 x 117 mm, signed F. Bayros in the manuscript. Inscription “Si vis amari, ama! Seneca” [If you want to be loved, love] to the attic of the arch.
27. Bruno Fischer: heliogravure, laid paper, sepia ink, sheet 186 x 145 mm, plate 155 x 116 mm, signed “F (backward). Bayros”. Inscription to bottom “Gehl Weck’ ihn nicht auf seien wir froh dass er einmal schläft!”
28. Harnasch: heliogravure, wove paper, sepia ink; unsigned; sheet 140 x 132 mm, plate 100 x 85 mm; unsigned.
29. Eduard Klampfl: heliogravure, laid paper, sepia ink, sheet 165 x 145 mm, plate 135 x 110 mm, signed “F (backwards). Bayros”; portrait bust of the composer Richard Wagner (German, 1813 –1883).
30. Jorge Monsalvatje: heliogravure, wove paper, sepia ink; sheet 189 x 160 mm, plate 150 x 115 mm; signed F. Bayros in the manuscript.
31. E. K. W.: wove paper, sepia ink; sheet 150 x 120 mm; signed “Bayros”.
32. Unidentified bookplate: wove paper, sepia ink; sheet 150 x 120 mm; signed “F. Bayros 09” in the manuscript.
33. Ex-Libris Helene and Emil Lemberger: heliogravure (or soft ground etching), laid paper, sepia ink, sheet 180 x 163 mm, plate 150 x 130 mm, signed “F. Bayros” in the manuscript.
34. M. Z.: wove paper, sepia ink; sheet 130 x 170 mm, plate 90 x 120 mm; signed “F (backwards) Bayros”.
35. Ex libris Frankl Frigyes Vilmos: heliogravure (or soft ground etching), laid paper, sepia ink, sheet 140 x 148 mm, unsigned. Frigyes Frankl, born in Tejfalu, Szlovákia, died in 1943.
36. Ex libris Anton Bürck: heliogravure, wove paper, sepia ink; sheet 170 x 137 mm, plate 123 x 104 mm; unsigned. Anton Burck (German,1881 – 1951) of Palatinate, Bavaria.
37. Aus den büchern A. W.: heliogravure, laid paper, sepia ink, sheet 152 x 136 mm, plate 120 x 105 mm, signed “F. Bayros” in the manuscript.
38. Ex libris Hans Hickl: heliogravure, laid paper, sepia ink, sheet 150 x 125 mm, plate 115 x 95 mm, signed “Ω”.
39. Ex libris Karl Wehle: soft ground etching, laid paper, brown sepia ink, sheet 107 x 90 mm, plate 80 x 65 mm, inscription “Gut!” in the centre; unsigned. Karl Wehle (Austrian, 1901 – 1933)
40. Ex libris Dr. Paul Berger: etching, laid paper, black ink, sheet 140 x 115 mm, plate 115 x 85 mm, signed “F (backwards). Bayros”.
41. Unidentified bookplate: etching, laid paper, black ink, sheet 145 x 115 mm, plate 85 x 70 mm, unsigned.
42. Ex Bibliotheca Erotica Carl Georg von Maassen: soft ground etching, india paper, black ink, sheet 76 x 78 mm, signed “FB”.
43. Ex Bibliotheca Erotica Carl Georg von Maassen: soft ground etching, india paper, black ink, sheet 79 x 79 mm, signed “F. von Bayros”.
44. Paul Mixa: soft ground etching, laid paper, sanguine ink, sheet 122 x 111 mm, plate 90 x 85 mm, inscription: “Gerne hör’ich wenn du singest und ich horche wenn du schweigest” [I like to hear when you sing and I listen when you are silent].
45. Ex libris Drs Q. M. Vyskocil.: etching, laid paper, sanguine ink, sheet 141 x 115 mm, plate 115 x 75 mm, inscription: “MIT REINEN HAENDEN” [with pure hands], signed “F. Bayros” in the manuscript.
46. Ex libris Andrée Bearn de Riquer: soft ground etching, laid paper, sanguine ink, sheet 136 x 88 mm, plate 100 x 62 mm, signed “F (backwards). Bayros”. Andrée Béarn [Marguerite Laborde] (French, 1880 – 1973), spouse of Alexandre de Riquer (Catalan, 1856 – 1920).
47. Ex musicis Drs Blažek VL: etching, wove paper, sanguine ink, sheet 141 x 116 mm, plate 115 x 90 mm, inscription: “MIT REINEN HAENDEN” [with pure hands], signed “F. Bayros” in the manuscript. See Vlastimil Blažek (Czech, 1878 – 1950) № 1 in this series.
48. Ex libris Paul Lindenberg: etching, wove paper, sanguine ink, sheet 130 x 114 mm, plate 95 x 90 mm, image 80 x 72 mm, inscription: “ad pios usus” (for pious uses); signed with monogram “F (backwards). B”.
49. Unidentified bookplate: heliogravure, laid paper, sanguine ink, sheet 150 x 131 mm, plate 120 x 100 mm, signed “F. Bayros” in the manuscript.