discussed Cited "see" Hunter v. Port Authority of Allegheny County See Commonwealth v. Cannon, 386 Pa. 62 , 123 A.2d 675 (1956), cert. denied 352 U.S. 898 , 77 S.Ct. 139 , 1 L.Ed.2d 90 (1956), and Commonwealth ex rel. v. Smith, 324 Pa. 73 , 187 A. 387 (1936) (prior conviction, though pardoned, may be considered in determining sentence to be imposed upon a subsequent *14 conviction); Commonwealth v. Quaranta, 295 Pa. 264 , 145 A. 89 (1928) (pardoned conviction may be used to impeach defendant in subsequent prosecution); Commonwealth v. Homison, 253 Pa.Super. 486 , 385 A.2d 443 (1978), and Cohen v. Barger, 11 Pa.Cmwlth. 617 , 314 A.2d 353 (1974) (pardoned convi…