OPINION — AG — ** INTANGIBLE PERSONAL PROPERTY TAX — CONSTITUTIONAL ** THE CLASSIFICATION SCHEME OF INTANGIBLE PERSONAL PROPERTY TAX STATUTE IS CONSTITUTIONAL. (SPECIFIC TAX) CITE: 68 O.S. 2501 [68-2501] — 68 O.S. 2520 [68-2520] [68-2520], ARTICLE X, SECTION 5, ARTICLE X, SECTION 22, OPINION NO. 67-205, 68 O.S. 2503 [68-2503] (BRIAN H. UPP)