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 Presentment warranties in the Colorado version of the Uniform Commercial Code appear in § 4-208, C.R.S. 1999, as follows: (a) If an unaccepted draft is presented to the drawee for payment or acceptance and the drawee pays or accepts the draft, (i) the person obtaining payment or acceptance, at the time of presentment . . . warrants to the drawee that pays or accepts the draft in good faith that: (1) The warrantor is, or was, at the time the warrantor transferred the draft, a person entitled to enforce the draft . . .; (2) The draft has not been altered; and ...