c.1805: 1 Troy Oz. platina (Paris mkt) ~ Fl. 3.504 (Fr 9.38)
1805: 1 Troy Oz. Platinum (French Sponge, Whols.) ~ Fl. 9.15 (Fr. 24.38)
1805: 1 Troy Oz. Platinum (French Manufacture, Whols.) ~ Fl. 11.40 (Fr. 30.48)
The Select Mineral Catalogue of Dr. Casimir Christian Seufferheld in Ansbach (Bavaria), at the Pfund of 16 Unzen, 1 Unze = 0.98625 Ozt. The specimen rate in southern Germany appears to be nearly the same as the Paris Market price for home-manufactures but aproximately 3x higher than the Paris market-price for ore.
1805: 1 Troy Ounce platina (~70% ore? retail) = Fl. 11.153 ; Rthlr. 7.436;
......... ℳ 15, Fr. 28.44, £1.19
Platina {ore specimen} Unze (а 11 fl.)
Citation: Verzeichnis einer auserlesenen Mineraliensammlung (1805) p. 1.
Where 5,527 English Grains Troy = 11.5146 Ozt, 1 Unze of Nuremburg weighs 0.9596 Ozt. and where a full-weight Carolin was 115.45 Grains Troy, 88.8965 Grains Pure Au,
1805: 1 Troy Oz. platina (~70% ore? retail) = Fl. 11.4637 (1 Carolin, Gold)
............ £1.21-2, Fr. 26.95,
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