Animal tithe may not be sold unblemished [if] alive, nor blemished [whether] alive or slaughtered, nor may it be used to be-troth a woman. A bechor may be sold unblemished and alive, and blemished [whether] alive or slaughtered, and it may be used to be-troth a woman.  Maaser sheni may not be deconsecrated on a slug, nor on a coin that is not spendable, nor on money that is not in one's domain.