FLOWER
HEART
TRIANGLE
BOW & ARROW
SWORD
HOURGLASS
FLAME
EYEGLASSES
FISH
VESSEL
STAR
CROSS
G CLEF
EGG
DOVE
BUTTERFLY
OLIVE BRANCH
TRUMPET
CEDAR TREE
SHIP
| Pre 1981 | No Mark | 1988 | FLOWER |
1996 | HEART |
| 1981 | TRIANGLE |
1989 | BOW & ARROW |
1997 | SWORD |
| 1982 | HOURGLASS |
1990 | FLAME |
1998 | EYEGLASSES |
| 1983 | FISH |
1991 | VESSEL |
1999 | STAR |
| 1984 | CROSS |
1992 | G CLEF |
2000 | EGG |
| 1985 | DOVE |
1993 | BUTTERFLY |
||
| 1986 | OLIVE BRANCH |
1994 | TRUMPET |
||
| 1987 | CEDAR TREE |
1995 | SHIP |
