Unofficial LEGO Sets/Parts Collectors Guide - Very rare LEGO items are not exclusive to very old LEGO... even very modern LEGO can be extremely rare. For example, the 40489 Mr & Mrs
LEGO - Promotional - 40489 - Christmas Mr. and Mrs. Claus' - Catawiki
Lego Tuk Tuk 40489, Hobbies & Toys, Toys & Games on Carousell
Supposedly an image of 40489. The GWP set to run from Dec 6 through Dec 24. Apparently cancelled or delayed. : r/LEGOWinterVillage
RARE! New Lego Set 40489 Mr. and Mrs. Claus' Living Room Minifigures Only | eBay