in Collecting Rare Patek Philippe World Time 2523 sold for record $7.8 million (robbreport.com) by What a Find May 14, 2021, 9:08 pm
in Collecting Rare Patek Philippe World Timer sold for $5.5 million at auction (robbreport.com) by What a Find November 8, 2020, 2:27 pm
What a Find
