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| 78. Chess Problem No. 102 - Two Arabs playing chess from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 62 verso) | Original Artwork |
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| 78. Chess Problem No. 102 - Two Arabs playing chess from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 62 verso) | Original Artwork |
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| 112. Chess Problem No. 28 from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 23 verso) | Original Artwork |
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| 161. Chess Problem 89 from: Alfonso X's Libros del Axedrez, Dados et Tablas (folio 64 recto - mirror inverted!) | Original Artwork |
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| 201. Two men at Great Chess from: Alfonso X's Libros del Axedrez, Dados et Tablas (folio 82 verso) | Original Artwork | |
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| 202. Los Escaques (7 men playing Zodiac astrological game - not chess) from Alfonso X's book (folio 96 verso) | Original Artwork | |
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| 203. The chess of the four seasons from: Alfonso X's Libros del Axedrez, Dados et Tablas (folio 88 verso) | Original Artwork | |
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| 204. Chess Problem No. 31 from: Alfonso X's Libros del Axedrez, Dados et Tablas (folio 25 recto) | Original Artwork | |
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| 205. Alphonse dictates the Book of Dice from: Alfonso X's Libros del Axedrez, Dados et Tablas (folio 65 recto) | Original Artwork | |
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| 206. Chess Problem No. 56 - Two Arab Ladies from: Alfonso X's Libros del Axedrez, Dados et Tablas (folio 38v) | Original Artwork | |
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| 207. Chess Problem No. 44 - Nun and novice from: Alfonso X's Libros del Axedrez, Dados et Tablas (folio 32v) | Original Artwork | |
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| 208. Chess Problem No. 87 - Arab girl and Spanish Girl from: Alfonso X's Libros del Axedrez ... (folio 54 recto) | Original Artwork | |
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| 209. Chess Problem No. 13 - Three Arabs consulting a manuscript from: Alfonso X's Libros del Axedrez, Dados et Tablas (folio 14 recto) | Original Artwork |
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| 240. iuego de donzellas from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 5 recto) | Original Artwork | |
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| 241. Chess Problem No.43 from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 32 recto) | Original Artwork | |
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| 242. Chess Problem No.41 - In a pharmacy from: Alfonso X's Libros del Axedrez ... c1283 (folio 31 recto) | Original Artwork | |
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| 244. MS — The Game of Dice (not chess) from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 71 verso) | Original Artwork |
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| 318. Two men at Great Chess from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 82 verso) | Original Artwork | |
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| 320. Chess Problem No. 30 from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 24 verso) | Original Artwork | |
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| 322. Chess Problem No. 23 - 4 soldiers from: Alfonso X's Libros del Axedrez, Dados et ... c1283 (folio 20 verso) | Original Artwork | |
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| 323. Chess Problem No. 43 from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 32 recto) | Original Artwork | |
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| 324. Chess Problem No. 32 from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 25 verso) | Original Artwork |
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| 401. Chess Problem No. 13 - Three Arabs consulting a manuscript (Folio 14 recto) from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 | Original Artwork | |
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| 402. Chess Problem No. 56 - Two Arab Ladies (Folio 38v) from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 | Original Artwork |
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| 412. (overprint on Paraguay 1982) Chess Problem No. 43 | Original Artwork |
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| 467. Chess Problem No.23 - 4 soldiers from: Alfonso X's Libros del Axedrez, Dados et ... c1283 (folio 20 verso) | Original Artwork | |
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| 468. Chess Problem No.43 from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 32 recto) | Original Artwork | |
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| 469. Chess Problem No.32 from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 25 verso) | Original Artwork | |
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| 470. Two men at Great Chess from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 82 verso) | Original Artwork | |
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| 471. Chess Problem No.23 - 4 soldiers from: Alfonso X's Libros del Axedrez, Dados et Tablas c1283 (folio 20 verso) | Original Artwork |