Vintage 1961 Ballantine Beer Coasters Old Grey Mare Sing Along Golden Harvest

Lot of 3 vintage 1961 Ballantine Beer double-sided paper coasters featuring a harvest theme. P. Ballantine & Sons, Newark, New Jersey. One side of the coaster has the lyrics to “The Old Grey Mare” and the other side has the tagline “Golden Mellow From The Golden Harvest”. Condition is good. Please zoom all photos for more details. Each coaster measures approximately 3-3/8 inches square.