Thank you for your mail and interest.
The painting is on display, but the collection will be closed from aprox. August to December due to climate renovation.
The painting is signed by the artist and accepted as an authentic work by El Greco (Domenikos Theotokopoulos).
Let me know if you have any further questions?
Best regards, Rune Finseth, Curatorial Assistant
National Gallery of Denmark, DK—1307 København K