[WISH PRINT]. Issued probably by the Swiss Y.M.C.A during the occupation, addressed to Polish soldiers imprisoned in Nazi oflags and stalags. Printed on 4 pages, On the first page a reproduction of a fragment of the altar of St. Mary's with the image of : Homage to the Three Kings, on the fourth page the text : God, Thou who hast illuminated this holy night with true light, grant, we humbly beseech Thee, that, learning the mysteries of this light on earth, we may enjoy it in heaven forever. We Swiss children, in the place of Polish children, send our warmest wishes for a Merry Christmas!