London: British Museum, Ca. 1950.
Small octavo. Loose as issued in original dark-green decorative printed envelope. 4 pp. text + 15 cards. Envelope worn and with small tears. Approximately 150 x 110 mm. " British Museum Set 10 MS. Music. Price 1s. per Set. By post 1s. 2d." printed on the front of the envelope.
Price: $25.00 other currencies