「156シリーズ」は、他のピカソと同じく限定50部ですが（番号入り50部＋AP15部＝65部刷り）、その全てがスタンプサインです。鉛筆サインのものはほとんどありません。
Blochのカタログレゾネの表記をそのまま記すならば、
Signature stamps used by the publisher: (except for numbers 1881, 1929, 1935, 1938)
Signed and numbered to lower edge '8/50 Picasso'. This work is one of three plates from Series 156 hand-signed by the artist and is number 8 from the edition of 50 with 15 artist's proofs published by Galarie L. Leiris, Paris.
provenance: Collection of Henri Marie Petiet, Paris | Private Collection
literature: Bloch 1929 | Baer 1938
