In 2003, LEGO released 4 Promotional sets across 2 subthemes, all of these sets have been retired. Subthemes for that year included LEGO Japan Magazine and LEGOLAND.
Most valuable 2003 LEGO Promotional set
King $55.47
Largest 2003 LEGO Promotional set
Swan 72 pieces
4 sets

King

Theme / Subtheme Promotional / LEGOLAND
Year 2003
Pieces 45
Availability Retired
LEGOLAND King
promotional
Value $55.47
Annual growth 8.7%

Swan

Theme / Subtheme Promotional / LEGOLAND
Year 2003
Pieces 72
Availability Retired
LEGOLAND Swan
promotional
Value $46.91
Annual growth 7.0%

Small Duck

Theme / Subtheme Promotional / LEGO Japan Magazine
Year 2003
Pieces 8
Availability Retired
LEGO Japan Magazine Small Duck
promotional
Value $20.66
Annual growth 3.1%

Deer

Theme / Subtheme Promotional / LEGO Japan Magazine
Year 2003
Pieces 12
Availability Retired
LEGO Japan Magazine Deer
promotional
Value $43.32
Annual growth 9.2%