Colued money aud such bank-notes or other paper money as are au-thorissed by lnw aud do in fact circulate from imiid to hand as the medium of exchange. Griswold v. Hepburn, 2 Duv. (Ky.) 33; Leonard v. State, 115 Aia. 80, 22 South. 564; insurance Co. v. Keiron, 27 HI. 505; Insur-ance Co. v. Kupfer, 2S 111. 332, 81 Am. Dec. 284; Lackey v. Miller, 61 N. C. 20