EXHIBIT 24 LINCOLN ELECTRIC HOLDINGS, INC. Power of Attorney To Sign and File Section 16 and Rule 144 Reporting Forms 	THE UNDERSIGNED, Michael Mintun, deemed to be an Officer of Lincoln Electric Holdings, Inc. hereby constitutes and appoints Jennifer I. Ansberry, Vincent K. Petrella, Michael Quinn and Susan Prewitt, or any of them, as his attorney-in-fact to sign and file on the undersigned's behalf (i) any and all forms and reports required under Section 16 of the Securities Exchange Act of 1934, including all Forms 3, 4 and 5, relating to Lincoln's equity securities and (ii) any and all notices required by Rule 144 under the Securities Act of 1933 with respect to the sale of shares of Lincoln's equity securities. This power of attorney shall remain valid, unless revoked in writing, for as long as the undersigned is deemed to be an Officer of Lincoln or until the reporting obligation ceases. 	IN WITNESS WHEREOF, the undersigned hereunto places his hand. /s/ Michael Mintun Date: July 11, 2018