16-Mar-08   average low high   target comments
    most data from sales where $10 minimum exists      
1983 blue/clear   $24 $9 $44      
1984 red/clear
$20 $10 $55     found in a shop for $2 10/96
1985 green/clear   $28 $26 $29      
1986 white/clear
$28 $21 $35     found at a flea for $.75 9/95
1987 light blue/clear
$19 $17 $21      
1988   $38          
1989 pink/clear rocks
           
1991 purple/clear rocks   $20          
1995   $12