The featured Marlboro Nursery at Bowie today pits several proves stakes winners against some promising colts, resulting in a most attractive race from a handicapping standpoint.

Strike Your Colors and stablemate Clever Trick each have won at least two stakes. Those credentials could make that Del Carroll-trained entry the public choice despite top weight of 122 pounds each.

Chief contention is expected to come from another multiple stakes winner. Groton High. This son of Groton has three added-money victories and chased Spectacular Bid, strong candidate for the 2-year-old championship in his last start, assuring him of strong backing.

Amond the lesser knowns expected to give strong opposition are Lucy's Axe and Fearless McGuire, both winners of races at Bowie.

Lucy's Axe came from off the pace Sept. 30 to win the [WORD ILLEGIBLE] Stakes, while Fearless McGuire ran down the speedy Thrice Worthy to win handily Oct. 7.

Both are improving youngsters and are expected to receive their share of support in the 12-horse field.

The bill to regulate interstate off-track betting came a step closer to reality Tuesday when the House enacted the bill on a voice vote. The Senate passed the bill last month.

president Carter's position on the matter is not known. Should be sign the bill into law it would permit interstate off-track [WORD ILLEGIBLE] betting if the group operating the betting office has the approval of the host state racing commission, host track and a writen agreement from the horsemen's group representing a majority of the owners and trainers.

Grey Letters, a son of the [WORD ILLEGIBLE] Horse of the Year Arts and Letters, held off Matt's War by three-quarters of a length in yesterday's feature race.

With Danny Wright in the irons, Grey Letters overtook favored Holy Moses on the turn for home and went on to complete 1/16 miles in 1:45 2-5. The 3-year-old colt returned $1820.50 and $3.00 for his second win in a row. Matt's War paid $5.40 and $2.80. Holy Moses returned $2.40.