"sloping top right edge" 25c plate variety

I have previously shown the following plate variety on the 25c2C, the stamp on the second watermark paper-straight rays.



Here is a second specimen, on the 1L printing "Servicio Oficial" narrow.



A detail of the overprint:



A detail of the damage to the outer edge of the die. This plate was in use approximately during 1949-1952. I would like to see additional specimens in other collections.