The Ocala Breeders' Sales Co. concluded their four-day fall mixed sale with the second of two open sessions Thursday afternoon with continued gains in average, but a slight dip in median. After a pair of consignor preferred sessions recorded solid increases in both average and median, the two open sessions posted a raise in average of 3.4% over a year ago.For Thursday's stand, OBS reported selling 164 horses for a gross of $616,200, compared with 220 horses grossing $774,800 in the final session a year ago. The average price this year, $3,757, was up 6.7% compared to last year's average of $3,522. The median this year was $2,200 while it was $2,500 in 2001. This year's buy-back rate of 33.6% was far more than last year's 24.3%.The top price Thursday was $24,000 for Artistic One, a 14-year-old mare by Copelan out of the Quack mare Artistic Miss. Consigned by Robert Slack's Stoneriggs Farm, agent, the stakes-producing mare in foal to second-year sire Yes It's True was sold to M.R. Stable. High-priced weanling for the session was for a Tiger Ridge filly out of the Kris S. mare Emerald Starling. Consigned by Grey Manor Farm, the chestnut filly sold for $22,000 to W.D. North, agent. Tiger Ridge is a son of Storm Cat who is a half-brother to A.P. Indy and Summer Squall.For the two open sessions, OBS sold 343 horses for $1,417,000. Last year, they sold 430 horses for $1,717,600. The average price this year, $4,131, is up 3.4% over last year's average of $3,994. The median price of $2,500 was down from 2001's median of $2,700. The buy-back this year was 31.4% compared to 25.8% a year ago.For the two consignor preferred sessions on Monday and Tuesday, 343 horses were sold for $4,646,900 compared with 408 horses selling a year ago for $4,493,100. This year's average, $13,548, was an increase of 23% over 2001's $11,013 average. The median jumped 21.4% from $7,000 last year to $8,500.C&C International Trading, a South Korean consortium of breeders and owners led by agent Jay Bang, was the sale's top buyer, purchasing 33 horses for $380,900. C&C International Trading purchased the sale topper on Monday afternoon, going to $82,000 for Fully Approved, an 8-year-old With Approval mare. Consigned by Brent and Cristal Fernung's Journeyman Bloodstock, Fully Approved is in foal to Exploit.The top-priced weanling for the sale was a son of Exploit that brought a final bid of $78,000 by part-owner Roberta Pentaleri. Pentaleri's nephew, Lou Gurino, consigned the colt under his Celebrity Farm, agent, banner.