Unidentified
There are two long narrow pieces at St James's cited in van der Doort's Titian list (WS 184), this is clearly one of them.
Sale Inventory c.1649-51
WS 271, №238
(said to be Titian)
Long Landscape with a Naked Woman
Walpole Society reference (1972):
Appraisal:
12-0-0
Sold to:
R [reserved], sold; Gaspars
Sold for:
£14 10s
Sale date:
22/03/1649 or 50
Appears in Charles II c1666:
Whitehall, no 469, 107 x 157 (possibly)
Identification certainty:
Unknown