DALLAS (October 15, 2009)--A Dallas man's collection of cow art and collectibles has sold for a little more than $500,000, an auction house said.

After about half a century of collecting, former Neiman Marcus fashion executive Derrill Osborn decided to part with his collection.

The auction Wednesday evening featured about 350 items.

Dallas Auction Gallery spokeswoman Lauren Shuford Laughry said Thursday that among the auctions highlights were a Donna Cook oil painting depicting 5,000 cattle called "Chisholm Trial Cattle Drive," which sold for $10,755.

Also, she said, a collection of more than 300 vintage toy cows, horses and other farm animals sold for $5,975.

Osborn, 70, grew up on a New Mexico ranch and then went on to a 40-year fashion career before retiring in 2002.