25 years faithful service certificate tax secretary

Orginal ww2 german certificate for 25 years of faithful service. Issued for tax secretary 23 July 1938. Good condition with some minor stains and folds. Punched on side guaranteed orginal
Ref:
"All officials, employees, and laborers at any level of the public service (local, regional or national) who complete 25 or 40 years service were eligible.
The second class award was for 25 years of service was a silver cross, with a silver wreath and a black enameled swastika in the center of the cross.
The first class award was for 40 years of service was a gold cross, with a gold wreath and a black enameled swastika in the center of the cross.
The reverse of both classes was stamped with 'Für treue Dienste' (For faithful Services). The ribbon for the medal is cornflower blue. "