Original: Du PrÃ primarily played two Stradivarius cellos, the 1673 cello (now called the "du PrÃ Stradivarius"), and the 1712 Davidov Stradivarius.
Simplified: There were two cellos that Du PrÃ usually played. One was a Stradivari cellos, the Stradivarius made in 1673, and the other was made in 1712 and was called the Davydov Stradivarius.