Inscription (IN11006) on a conical stamp (OB11006) with a seated Buddha and stūpas.

North India (find-spot unknown). Concial stamp, inscribed face (note: image reversed). British Museum 1957,0515.1.
Images:
North India (find-spot not recorded). Concial stamp with a seated Buddha, stūpas and an inscription.
http://doi.org/10.5281/zenodo.3744485