Beethoven and Mozart praised Anton Walter's fortepianos – Mozart owned one from 1782 until his death. Here's my picture of the oldest surviving Walter fortepiano, located at the Haydnhaus in Eisenstadt, Austria. :
Anton Walter & Sohn ca.1809 | radbon-collection
Fortepiano after Anton Walter - Robert A. Brown Fortepianos
The Fortepiano - Krämereimuseum Gerstlhaus
Anton Walter, le facteur viennois de Mozart renaît à Villefranche-sur-Saône | Le magazine des enchères
Anton Walter - Wikipedia
Bizzi Fortepianos
Performance features Mozart's piano - China.org.cn
Mozart's pianoforte, by Anton Walter, c. 1780 | Die Welt der Habsburger
Mozart's piano (original piano by Anton Walter, 1780) in Mozart's birthplace, Salzburg, Foto de Stock, Imagen Derechos Protegidos Pic. A05-515125 | agefotostock
Paul Poletti - Constructor y Restaurador de Pianos Históricos
Fortepiano after Anton Walter - Robert A. Brown Fortepianos
VIENNESE GRAND PIANO - THE COBBE COLLECTION
A. Walter - Vienna 1800ca - Ugo casiglia - Antichi strumenti da tasto
Modartt: Walter
Mozart and the Pianos of Gabriel Anton Walter
Anton Walter, le facteur viennois de Mozart renaît à Villefranche-sur-Saône | Le magazine des enchères
Mozart's Piano forte at the Museum , was made by Anton Walter in... Photo d'actualité - Getty Images
DENZIL WRAIGHT - Walter fortepiano
File:Dubrovnik - Anton Walter Pianoforte.jpg - Wikimedia Commons
Mozart's favorite piano in performance at La Sierra University - La Sierra News
Anton Walter | FUNDAMENTOS ORGANOLÓGICOS, HISTÓRICOS Y ACÚSTICOS DEL INSTRUMENTO
El piano con el que Mozart compuso sus últimos conciertos regresa a Viena
![Mozart's Piano bought in 1782 from Anton Walter (famous Viennese piano maker), used almost daily for both composition and performance from 1785 until his death in 1791 [2448x3264] : r/ArtefactPorn](https://i.redd.it/17s9bpnpkq371.jpg "Mozart's Piano bought in 1782 from Anton Walter (famous Viennese piano maker), used almost daily for both composition and performance from 1785 until his death in 1791 [2448x3264] : r/ArtefactPorn")
Mozart's Piano bought in 1782 from Anton Walter (famous Viennese piano maker), used almost daily for both composition and performance from 1785 until his death in 1791 [2448x3264] : r/ArtefactPorn
Walter-1782
VIENNESE GRAND PIANO - THE COBBE COLLECTION
The Piano: Viennese Instruments | Essay | The Metropolitan Museum of Art | Heilbrunn Timeline of Art History
