With old masters bringing record prices at auction, what would happen if one of the great museums of Europe suddenly put its masterworks up for bids? Italian Art Historian Carlo Ragghianti and a committee of experts have just finished assaying the worth of masterpieces in Florence's Uffizi Gallery. At current prices, their top guesstimates:
> Botticelli's Spring, $40 million.
> Botticelli's Birth of Venus, $30 million.
> Giotto's Madonna, $30 million.
> Duccio's Madonna, $25 million.
> Da Vinci's Annunciation, $25 million.
> Cimabue's Madonna, $20 million.
> Van der Goes, Portinari Tryptych, $20 million....