Gondal 1881 Bill Stamp 1906 change of colour to pink Imperf Sheet

Gondal 1881 Bill Stamp 6a violet large part og and the 1906 change of colour to pink a similar large part o.g. example and a fully imperforate sheet of twelve (4 x 3) in pink large part or full og two stamps creased and some wrinkling presumably of proof status. This came from the May 2021 Stanley Gibbons India and Area Signature Sale.