Wollaston's purchase of platina ore, from Paris? Citation:
"William Wollaston, John Johnson and Colombian alluvial platina: A
study inrestricted industrial enterprise" Melvyn C. Usselman in Annals of Science, 37:3, (1980) pp. 253-268
"558 ounces purchased 12 July 1802 was identified as 'Lot T, French' and may refer to platina imported from France."