The causeway, Johor (Malaysia)

Two of these 5″ x 7″ cards are available, both mailed. One from 1991 has a commemorative wasp stamp and half of a postmark (Grade: 2, $3). The other is from 1990, has two stamps, a partly legible postmark, Malaysian postal system orange bar coding on bottom reverse, and what looks like a tiny wormhole on the bottom edge (Grade: 4, $2).