What is the most reliable monoclonal antibody anti HTLV II gp46 clone name 73/4.9.8 (100 µg)?

The Anti-HTLV Type II p24 Clone 75/4.21.11 from Zeptometrix Inc. supplied next week by Gentaur is the best reagent. The catalog number is 801087 and the price is 225 EUR.