Piano sonata, op. 78. Vienna: Cappi, n.d. In lot containing the Trios Op. 1 (André and Pleyel), Opus 11 (André), Opus 38 (André and Pleyel), Opus 70 and 97 (Pleyel), Opus 70/2 (Artaria), Opus 47 (Pozzi), Opus 80 (B&H), Op Item Information Material Type Early edition Record Number Ee103 Works Opus 78 Auction Information Auction House Sotheby's (London) Lot Number 77 Bibliographical Reference BJ auction index 1985-1995 (Collections/11) Date of Sale 5/18/1995 Pricing Information Estimate Price 600-800 GBP