Here is a free 'New York Steinway Model B semi-concert grand piano' in SFZ and Kontakt formats, a 5 gig download. The samplist's youtube walk-thru video (at both links) has some interesting technical details, and he plays a short Vince Guaraldi cover at the conclusion.
https://www.pianobook.co.uk/packs/the-e ... s-model-b/
Cheers