![Érard Frères 1802 owned by Anne Angélique de Mackau, Comtesse de Saint-Alphonse - Eric Feller Early Keyboard Instruments Collection Érard Frères 1802 owned by Anne Angélique de Mackau, Comtesse de Saint-Alphonse - Eric Feller Early Keyboard Instruments Collection](https://www.ericfeller.de/wp-content/uploads/Erard-1802-Hammerfl%C3%BCgel-Piano-en-form-de-clavecin-Eric-Feller-Collection-1024x955.jpg)
Érard Frères 1802 owned by Anne Angélique de Mackau, Comtesse de Saint-Alphonse - Eric Feller Early Keyboard Instruments Collection
![Sold at Auction: French Erard grand piano circa 1890 serial number 59683, having a rosewood case with 85 keys all original, and rising on carved flut... Sold at Auction: French Erard grand piano circa 1890 serial number 59683, having a rosewood case with 85 keys all original, and rising on carved flut...](https://image.invaluable.com/housePhotos/clars/92/624592/H0054-L143967410.jpg)
Sold at Auction: French Erard grand piano circa 1890 serial number 59683, having a rosewood case with 85 keys all original, and rising on carved flut...
![Sold at Auction: French Erard grand piano circa 1890 serial number 59683, having a rosewood case with 85 keys all original, and rising on carved flut... Sold at Auction: French Erard grand piano circa 1890 serial number 59683, having a rosewood case with 85 keys all original, and rising on carved flut...](https://image.invaluable.com/housePhotos/clars/92/624592/H0054-L143967406.jpg)