SIX JAIN SHEET COPPER YANTRAS, WESTERN INDIA, 18TH/19TH CENTURY each votive plaque with embossed diagrammatic designs and inscriptions in devanagari script 45 x 30cm and smaller Provenance: Private collection, Northern England For closely related yantras in the British Museum, see inv. nos.1889,0902.15, 1919,0722.1