Members may be interested in the attached link
https://en.stamps.fo/ShopItem/2020/0/PPS020420/SETT?_ccCt=bYkBO6VSXsukNOvzx%7eo4_eGLEpTt0gL9%7eUM5XweD5T4jR05r0CvHad%7egqpRqXqVn
This will take you to a Faroe Islands P.O. page on FPO datestamps in WW2 and the issue of their new miniature sheet as attached.