upon is a not a negotiable instrument, § 3- 403 cannot be applied to determine whether an agent executed the contract in an individual ca- pacity. Pepsi-Cola Buffalo Bottling Corp. Wehrle Drive Supermarkets. 123 A.D.2d 515. 5 N.Y.S.2d 107. 108 14th Dept 1986). EFTA00187429 644 818 FEDERAL SUPPLEMENT contract in a representa