Question: How many revisions did the heads of the crouching figure undergo?
About the article "Les Demoiselles d'Avignon", section "Cézanne and Cubism".

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In the middle of July, police also became especially interested in a film taken by an Australian tourist at the time of the murder.
Experts at Central TV had seen what they thought was a figure of a man crouching, and the film was subsequently flown to NASA in Texas for a more detailed analysis.
The police released the enhanced footage on 19 July.
As it turned out, however, the film did not apparently yield anything of importance. 
The AFLA's rules of fencing went through many revisions.
The following is a summary of the revisions: 
Such terse archival references and so many existing ancient versions make archival identification of the Roman copies insecure, though some include a water jar and/or an additional figure of Eros which make identification easier (e.g.
the Hermitage example, and here).
The "Crouching Venus" was often paired with the other famous crouching sculpture of Antiquity, the "Arrotino".
The "Crouching Venus" of the Medici collection, noted at Villa Medici, Rome, is now at the Uffizi in Florence.
It was engraved (with its restored sea-shell - see here) by Paolo Alessandro Maffei, "Raccolta di statue antiche e moderni...", 1704 (plate XXVIII) The "Crouching Venus" of the Farnese collection of marbles, restored with a small Eros who engages the goddess's attention, is now in the Museo Archeologico Nazionale, Naples.
It was drawn by Martin Heemskerck.
[http://www.theoi.com/Gallery/S10.14.html] The "Crouching Venus" of the Borghese collection, purchased in 1807 from Camillo Borghese, now in the Louvre.
In the Borghese collection it had been freely restored as a Diana, holding her hunting bow in her right hand.
The "Lely Venus" ("main image, above") is an Antonine marble that was in the Gonzaga collection, Mantua, where it was inventoried in the Gonzaga collection in 1627 and was remarked in England in 1631 as "the finest statue of all" and valued at 6000 ecus.
It was purchased in 1627-28 from the Gonzagas for Charles I of England, whose art collections were dispersed during the Commonwealth, when it was purchased by the painter and connoisseur Sir Peter Lely.
It passed once again into the Royal Collection in 1682 and is on loan to the British Museum [http://www.thebritishmuseum.ac.uk/explore/highlights/highlight_objects/gr/m/marble_statue_of_a_naked_aphro.aspx].
The "Crouching Venus" excavated at Salona (modern Solin near Split, Croatia) in the second half of the 18th century was purchased for the Vatican Museums, where it was etched by Francesco, the son of Giovanni Battista Piranesi, then confiscated by the French under Napoleon but returned to the Vatican in 1816, where it remains.
The "Vénus Accroupie", is a 2nd-century crouching Venus from the collection of Louis XIV, now in the Musée du Louvre.
In a variation, her right arm is raised behind her head.
[http://www.theoi.com/Gallery/S10.11.html] The "Crouching Venus of Vienne", 1st or 2nd-century CE, considered one of the finest Roman marbles of this type, was excavated in 1828 at Sainte-Colombe, on the right bank of the Rhône, part of the ancient city of Vienne which lies across the river; it was purchased from the Gerantet collection in 1878 for the Louvre, where Cézanne drew it and adapted it for one of the figures in his "Grande Baigneuses" (Philadelphia).
The remains of a small hand on her back show that this was one of the versions that included a little Eros A "Crouching Venus" that was excavated at that quarry of antiquities, Hadrian's Villa at Tivoli, in the 1920s, is accounted among the finest of the Roman versions (Haskell and Penny 1981:323).
It is conserved in essentially unrestored condition in the Museo Nazionale delle Terme, Rome.
A small marble "Crouching Aphrodite" of the 1st century BCE, discovered in Rhodes and conserved in the Rhodes Archaeological Museum, is a variant of the pose in which - instead of attempting to cover up modestly - Venus lifts her hair in her fingers to dry it, looks out at the viewer and openly displays her breasts.
The type is sometimes distinguished as the "Crouching Aphrodite of Rhodes".
Small ancient bronzes of the "Crouching Venus" have survived.
One, found in Syria, and formerly in the collection of Joseph Durighello, was sold by the Galerie Georges Petit, Paris.