These "Good For" Tokens were made as advertising.

Brass, 33 mm, 7.60 gm
Obverse:
OLD MILL TAVERN / MILL VALLEY / 388-9595
Reverse:
GOOD FOR / 50¢ / IN MERCHANDISE

Mill Valley is located in Marin County in Northern California. The Old Mill Tavern closed in the 1980's.

White metal, 21 mm, 4.45 gm
Obverse:
CLUB ARISTOCRAT GAME, '5' in center
Reverse:
GOOD FOR 5¢ IN TRADE, '5' in center

The Club Aristocrat was located at 298 Turk Street, San Francisco, California.

Brass, 23 mm, 5.69 gm
Obverse:
THE AUTOMATIC AMUSEMENT CO.
Reverse:
GOOD FOR ONE PLAY

Most likely a pinball or amusement game token. This one looks pretty old, it might date from the 1920's.

Obverse:
Round token with hole in it.
VICTORY BELL
Brass, 21 mm, 3.55 gm
Reverse:
GOOD FOR 5¢ IN TRADE

I do not know where the "Victory Bell" was located.

Bronze, 26 mm, 6.02 gm
Obverse:
CONGRATULATIONS FROM BREUNERS
Not Transferable
1256 (Punched)
REGISTERED
Reverse:
GOOD LUCK COIN
GOOD FOR
$5.00
CREDIT WITH PURCHASE
OF $50.00 OR MORE
BEFORE DEC. 31, 1935

Bronze, 26 mm, 6.33 gm
Obverse:
CONGRATULATIONS FROM BREUNERS
Not Transferable
2081 (Punched)
REGISTERED
Reverse:
GOOD LUCK COIN
GOOD FOR
$5.00
CREDIT WITH PURCHASE
OF $50.00 OR MORE
BEFORE DEC. 31, 1938

Aluminum, 34 mm, 3.77 gm
Obverse:
Thomas Jefferson facing left
Reverse:
COINS MAGAZINE / IOLA, WISCONSIN
GOOD FOR 2 ISSUES / EXPIRES 12-66

Aluminum, 22 mm, 1.06 gm
Obverse:
MUSKALONGE VIEW DAIRY
FREMONT OHIO
Reverse:
GOOD FOR 1 QT.
REG. MILK

Bronze, 31 mm, 10.84 gm
Obverse:
RINGS O'ROMANCE / REG. U.S. PAT. OF.
Nationally Advertised / DIAMOND RINGS / 20th / ANNIVERSARY YEAR
See Other Side
Reverse:
RINGS O'ROMANCE
THIS LUCKY PIECE GOOD FOR $20 / DURING 20th ANNIVERSARY YEAR
On Any Diamond Rings O'Romance / Purchase of $67.50 or Over

This token dates from the 1940's but I can not find an actual date for "Rings O'Romance." The company was involved in a Federal Trade Commission dispute in the early 1950's.

Brass, 28 mm, 7.36 gm
Obverse:
MOLLIE'S
HWY 97 N. KLAMATH FALLS, OR.
503-882-9591
SINCE 1983 OPEN 24 HOURS
Reverse:
GOOD FOR 50 C IN FOOD TRADE ONLY
MOLLIE & HOWARD HASSETT
NO CASH VALUE
HH (Manufacturer Hoffman & Hoffman)