![Advert for Chas. H. Challen & Son piano shop of Archer Street in the 1920s Daily Programme for the Olympia Dance Hall, Season 1927-28 (replica Stock Photo - Alamy Advert for Chas. H. Challen & Son piano shop of Archer Street in the 1920s Daily Programme for the Olympia Dance Hall, Season 1927-28 (replica Stock Photo - Alamy](https://c8.alamy.com/comp/2H32GXN/advert-for-chas-h-challen-son-piano-shop-of-archer-street-in-the-1920s-daily-programme-for-the-olympia-dance-hall-season-1927-28-replica-2H32GXN.jpg)
Advert for Chas. H. Challen & Son piano shop of Archer Street in the 1920s Daily Programme for the Olympia Dance Hall, Season 1927-28 (replica Stock Photo - Alamy
![Assessment of a Challen upright piano c1937 + Correct regulation can transform a piano's touch: - YouTube Assessment of a Challen upright piano c1937 + Correct regulation can transform a piano's touch: - YouTube](https://i.ytimg.com/vi/VTFYNrg4V8A/maxresdefault.jpg)
Assessment of a Challen upright piano c1937 + Correct regulation can transform a piano's touch: - YouTube
![Hopkinson Restored Baby Grand Piano for sale UK | P I A N O Z - The Ultimate Online Piano Showroom - UK Piano Shop - Black Baby Grands Hopkinson Restored Baby Grand Piano for sale UK | P I A N O Z - The Ultimate Online Piano Showroom - UK Piano Shop - Black Baby Grands](https://pianoz.com/sites/default/files/styles/max_1800/public/IMG_0705.jpg?itok=s1Axmz9x)
Hopkinson Restored Baby Grand Piano for sale UK | P I A N O Z - The Ultimate Online Piano Showroom - UK Piano Shop - Black Baby Grands
![BABY GRAND PIANO, oak cased by Challen & Son London, circa 1930 (supplied by Harrods Ltd) 146cm W x 148cm D. BABY GRAND PIANO, oak cased by Challen & Son London, circa 1930 (supplied by Harrods Ltd) 146cm W x 148cm D.](https://www.lotsroad.com/files/lots/1579/682.jpg)