CT1_SM7AST

front side QSL card, of CT1/SM7AST to IK6BAK, April 9, 1988, CW
rear side QSL card, of CT1/SM7AST to IK6BAK, April 9, 1988, CW
letter envelope QSL card, of CT1/SM7AST to IK6BAK, April 9, 1988, CW