The nielloed silver moutns are typical of Ottoman weapons, although the use of lapis lazuli are rare. The straight European blade suggests that this cavalry weapon was carried in addition to the more usual curved saber. Pairs of weapons with straight and curved blades were common in eastern Europe in the seventeenth century.
[William Ockelford Oldman, London, before November 18, 1935; sold to Stone]; George Cameron Stone, New York (until d. November 18, 1935; his bequest to MMA).
Hales Robert, and Kevin Conru. W.O. Oldman: The Remarkable Collector: William Ockleford Oldman's Personal Archive. Gent, Belgium: Graphius, 2016. p. 50, fig. 49.