EXHIBIT 24 Consent to Use of Opinion December 3, 1999 REGULAR MAIL Board of Directors, Cassco Capital Corporation Number One, Fenton Way Business Park, Fenton Way Chatteris, Cambridgeshire United Kingdom PE 16 6 US Re: Consent to Reference in Form S-8 Registration Statement Gentlemen: As independent certified public accountants, we hereby consent to the incorporation by reference in the above Form S-8 Registration Statement of our report on the financial statements included in the Cassco Capital Corporation nnual Report on Form 10-KSB for the year ended December 31, 1998, and to all references to our firm included in said registration statement. HALLIBURTON, HUNTER & ASSOCIATES, PC /s/ Halliburton, Hunter & Associates, PC - ---------------------------------------- Littleton, Colorado