Vintage Fred Roberts Blue Bird Irish Coffee Mug

Vintage Fred Roberts song bird Irish coffee mug. Eastern Blue Bird. Holds 8 oz and measures 3" diameter x 5.25" H. Condition is used. No staining, no cracks, no crazing, image is in great shape. There is one teeny-tiny, nearly non-existent, nick/flea bite on the rim. Not sharp at all. Please see pics.