McCoy cookie jars were marked and unmarked. Marks include McCoy, USA and McCoy USA.

Some of the later pieces were marked with numbers and USA or just the number. McCoy pottery changed owners in the last years of production more than once and different marks were used on the cookie jars produced during these production years.

During the LLC years the jars were marked with the number, McCoy, LLC and USA
Cooke Jar images

Number	Description	Date
254	Modern cylinder shape with floral panels divided by ribs of contrasting colors.	1970
255	Sad Clown	1970-71
256	Apple	1970
257	Orange	1970
258	White Rooster	1970-74
260	Apollo	1970
261	Red Apple	1971-75
262	Lemon	1971
263	Strawberry	1971-75
333	Brown and white milk can with eagle decal	1973-75
345	Milk Can in brown and white	1973
346	Jug, with eagle decal, brown and white	1973-74
353	Hot air balloon	1985
823	Modem Pineapple	1970
833	Yorkville Milk Can, rooster in floral ring decal	1974
846	Monk	1970-73
847	Dutch Treat Barn, girl in door	1970-73
848	Time For Cookies, mouse finial	1970-73
1904	Happy time, milk can	1975
7019	Milk Can in brown drip glaze	1972-75
7024	Brown with drip glaze, handles	1970-74
7056	Gypsy Pot, hammered effect in white, or brown drip glaze	1975
7548	Blue Willow on milk can	1973