In 1999, LEGO released 5 Town Shell sets, all of these sets have been retired. For that year, the total price of all retail sets cost $59, today those sets are valued around $445, a growth of 652%.
Most valuable 1999 LEGO Town Shell set
1255 Shell Car Wash $117.94
Highest growth 1999 Town Shell set
1252 Shell Tanker +1420.74%
Largest 1999 LEGO Town Shell set
1254 Shell Convenience Store 159 pieces
5 sets

1252 Shell Tanker

Theme / Subtheme Town / Shell
Year 1999
Pieces / Minifigs 107 / 1
Availability Retired
1252 LEGO Shell Tanker
Retail $6.99
Value $106.30
Growth  +1420.7%
Annual growth 8.1%

1253 Shell Race Car Transporter

Theme / Subtheme Town / Shell
Year 1999
Pieces / Minifigs 102 / 1
Availability Retired
1253 LEGO Shell Race Car Transporter
Retail $6.25
Value $43.70
Growth  +599.2%
Annual growth 7.4%

1254 Shell Convenience Store

Theme / Subtheme Town / Shell
Year 1999
Pieces / Minifigs 159 / 3
Availability Retired
1254 LEGO Shell Convenience Store
Retail $12.99
Value $63.45
Growth  +388.5%
Annual growth 5.2%

1255 Shell Car Wash

Theme / Subtheme Town / Shell
Year 1999
Pieces / Minifigs 137 / 2
Availability Retired
1255 LEGO Shell Car Wash
Retail $12.99
Value $117.94
Growth  +807.9%
Annual growth 7.8%

1256 Shell Service Station

Theme / Subtheme Town / Shell
Year 1999
Pieces / Minifigs 144 / 2
Availability Retired
1256 LEGO Shell Service Station
Retail $19.99
Value $113.99
Growth  +470.2%
Annual growth 5.3%