Certificate of Authenticity

Original artwork · One of one

Reference image

Blacksad 4

by Juanjo Guarnido

Technique

Pencil

Dimensions

21 x 29 cm

Edition

1 / 1 — Unique original

Reference

250d2234c27a-2

El arte del cómic hereby certifies that the work described above is an original creation, hand-executed by the artist. It is registered in our archive under the certificate number shown.

Daniel Antolín Aldonza

Verify authenticity

elartedelcomic.com/?eadc_verify=13710&sig=0684d5c7528dc6ea

Issued 29 de July de 2026 · Madrid, Spain