Apothecaries' system
Romance countries

1 pound
1 ounce
state or city
301.2 g
25.1 g
Venice
320.8 g
26.7 g
Kingdom of the Two Sicilies (1816–1861)
325.7 g
27.1 g
Bologna
326.8 g
27.2 g
Milan (–1815)
328.0 g
27.3 g
Parma
332.0 g
27.7 g
Sardinia
334.5 g
27.9 g
Duchy of Lucca (1815–1847)
339.2 g
28.3 g
Rome
339.5 g
28.3 g
Florence
339.5 g
28.3 g
Grand Duchy of Tuscany (–1859)
340.5 g
28.4 g
Duchy of Modena (1814–1859)
344.2 g
28.7 g
Kingdom of Portugal
345.1 g
28.7 g 28.8 g
Kingdom of Spain

Question: In which two states were pounds measured the heaviest?
Answer: The weight of an apothecaries' pound was 345.1 g in Spain and 344.2 g in Portugal.