Gruner or Gruson?

Tadeusz Kościuszko in Battle on Horsback

Nürnberg: G. N. Renner, c rca 1830s. Handcolored lithograph on rag paper. 32 x 39 cm. Signed in gthe stone by the artist bu tcannot make out name: H. Grusch?.
Folded donw the center. No one on the internet has this print. Short tear in lower marigin. Item #51-1920

Price: $700.00