cover 1942 (16 Mar.) envelope addressed locally bearing Straits 1c., 2c. (2) and 3c. with double frame chops and cancelled by JD1 c.d.s., and Straits 2c. card addressed locally and showing ''POSTAGE PAID/2 CTS/MALAYA'' in red, both with double frame chop and cancelled with JD1 c.d.s.