The Bellieni Jumelle "Nancy" is an early French stereoscopic jumelle-style plate camera, named after the city of Nancy where Bellieni was based. Bodies of this binocular pattern were produced in the late 19th and early 20th centuries for the small-plate amateur market.

Sales evidence is thin: a single UK auction record from October 2019 shows a hammer price of £3,480, which sits well above the level typical jumelle cameras of the period sell for at saleroom level. Because that figure is a wholesale auction result rather than a retail or dealer asking price, today it should be treated as an indicative ceiling for an exceptional example rather than a reliable median value.