In 2018, LEGO released 3 Classic 60th Anniversary Limited Edition sets, all of these sets have been retired. For that year, the total price of all retail sets cost $60, today those sets are valued around $111, a growth of 86%.
Most valuable 2018 LEGO Classic 60th Anniversary Limited Edition set
4000028 House $43.39
Most owned 2018 Classic 60th Anniversary Limited Edition set
4000029 Windmill
3 sets

4000028 House

Theme / Subtheme Classic / 60th Anniversary Limited Edition
Year 2018
Pieces 64
Availability Retired
4000028 LEGO 60th Anniversary Limited Edition House
Retail $19.99
Value $43.39
Growth  +117.1%
Annual growth 5.9%

4000029 Windmill

Theme / Subtheme Classic / 60th Anniversary Limited Edition
Year 2018
Pieces 45
Availability Retired
4000029 LEGO 60th Anniversary Limited Edition Windmill
Retail $19.99
Value $32.16
Growth  +60.9%
Annual growth 8.2%

4000030 Truck

Theme / Subtheme Classic / 60th Anniversary Limited Edition
Year 2018
Pieces 44
Availability Retired
4000030 LEGO 60th Anniversary Limited Edition Truck
Retail $19.99
Value $35.86
Growth  +79.4%
Annual growth 7.3%