FORM 3
        	UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
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                      	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	                      	

1. Name and Address of Reporting Person *

Marino Peter John	2. Date of Event Requiring Statement (MM/DD/YYYY)
11/1/2019 
	3. Issuer Name and Ticker or Trading Symbol

MOLSON COORS BREWING CO [TAP]	
(Last)       (First)       (Middle)

1801 CALIFORNIA STREET, SUITE 4600	4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                          _____ 10% Owner
___X___ Officer (give title below)        _____ Other (specify below)
President of Emerging Growth /	
(Street)

DENVER, CO 80202      

(City)             (State)             (Zip)	5. If Amendment, Date Original Filed(MM/DD/YYYY)
 
	6. Individual or Joint/Group Filing(Check Applicable Line)

_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person	

Table I - Non-Derivative Securities Beneficially Owned	
1.Title of Security
(Instr. 4)	2. Amount of Securities Beneficially Owned
(Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)	4. Nature of Indirect Beneficial Ownership
(Instr. 5)	
Class B Common Stock 	13922 (1)	D 	 	
Class B Common Stock 	111 	I 	by Peter J. Marino, trustee of The Peter J. Marino Revocable Trust 	

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)	
1. Title of Derivate Security
(Instr. 4)	2. Date Exercisable and Expiration Date
(MM/DD/YYYY)	3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)	6. Nature of Indirect Beneficial Ownership
(Instr. 5)	
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares				
Employee Stock Option (Right to Buy) 	 (2)	2/13/2024 	Class B Common Stock 	2770 	$54.53 	D 	 	
Employee Stock Option (Right to Buy) 	 (2)	2/13/2024 	Class B Common Stock 	467 	$67.26 	D 	 	
Employee Stock Option (Right to Buy) 	 (2)	2/11/2025 	Class B Common Stock 	3355 	$73.00 	D 	 	
Employee Stock Option (Right to Buy) 	 (2)	2/11/2025 	Class B Common Stock 	1447 	$86.45 	D 	 	
Employee Stock Option (Right to Buy) 	 (2)	2/12/2026 	Class B Common Stock 	2953 	$84.14 	D 	 	

Explanation of Responses:	
(1) 	The reporting person's holdings include: (i) 6,991 held directly and (ii) 6,931 restricted stock units (RSUs) previously granted under the Company's Incentive Compensation Program, which vest in full as follows: 2,067 RSUs on March 8, 2020, 2,285 RSUs on March 6, 2021 and 2,579 RSUs on March 5, 2022.	
(2) 	The stock options are fully vested and exercisable.	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
Marino Peter John
1801 CALIFORNIA STREET
SUITE 4600
DENVER, CO 80202			President of Emerging Growth		

Signatures		
/s/ Margaret Louise Mousseau, by Power of Attorney		11/12/2019	
**Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.	
*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).	
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).	
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.	
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.	

      LIMITED POWER OF ATTORNEY FOR

SECTION 16 REPORTING OBLIGATIONS
I, PETER MARINO, the undersigned, do hereby make, constitute and appoint E. LEE
REICHERT, ERIC GUNNING, NAOMI MARIE BAEZ AMOS, KATHLEEN MARIAN KIRCHNER and
MARGARET LOUISE MOUSSEAU, each acting individually, as my true and lawful
attorney-in-fact, with full power and authority as described herein, on behalf
of and in my name, place and stead to:
(1)  prepare, execute, acknowledge, deliver and file with the U.S.
Securities and Exchange Commission (the SEC) a Form ID (including any amendments
thereto) and any other documents necessary or appropriate to obtain codes and
passwords enabling me to make electronic filings with the SEC of reports
required by Section 16(a) of the Securities and Exchange Act of 1934 and the
rules and regulations promulgated thereunder, as amended from time to time (the
Exchange Act), or any rule or regulation of the SEC;
(2)  prepare, execute, acknowledge, deliver and file Forms 3, 4, and 5
(including any amendments thereto) with respect to the securities of Molson
Coors Brewing Company, a Delaware corporation or any successor thereto (the
Company), or as such company may be domesticated hereafter, with the SEC, any
national securities exchanges and the Company, as considered necessary or
advisable under Section 16(a) of the Exchange Act;
(3)  seek or obtain, as my representative and on my behalf, information on
transactions in the Company's securities from any third party, including
brokers, employee benefit plan administrators and trustees, and I hereby
authorize any such person to release any such information to the
attorney-in-fact and approve and ratify any such release of information; and
(4)  perform any and all other acts which in the discretion of such
attorney-in-fact are necessary or desirable for me and on my behalf in
connection with the foregoing.
     I further acknowledge that:
(1)  this Limited Power of Attorney authorizes, but does not require, each
attorney-in-fact to act in his/her discretion on information provided to such
attorney-in-fact without independent verification of such information;
(2)  any documents prepared and/or executed by the attorney-in-fact on my behalf
pursuant to this Limited Power of Attorney will be in such form and will contain
such information and disclosure as such attorney-in-fact, in his/her discretion,
deems necessary or desirable;
(3)  neither the Company nor the forgoing attorneys-in-fact assume (i) any
liability for my responsibility to comply with the requirements of the Exchange
Act, or (ii) any obligation or liability of mine for profit disgorgement under
Section 16(b) of the Exchange Act; and
(4)  this Limited Power of Attorney does not relieve me from responsibility for
compliance with my obligations under the Exchange Act, including without
limitation the reporting requirements under Section 16 of the Exchange Act.
I, the undersigned, do hereby give and grant each foregoing attorney-in-fact
full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
foregoing matters as fully to all intents and purposes as the undersigned might
or could do if present, hereby ratifying all that the attorney-in-fact of, for
me and on my behalf, shall lawfully do or cause to be done by virtue of this
Limited Power of Attorney.
This Limited Power of Attorney shall remain in full force and effect until
revoked by me in a signed writing delivered to the foregoing attorneys-in-fact.
IN WITNESS WHEREOF, I have caused this Limited Power of Attorney to be executed
as of this 4th day of November, 2019.

                                                /s/ Peter Marino
                                                PETER MARINO