18eighteen Collie Pop -

: The period between 6 and 18 months is officially recognized by experts as the "teenage phase" for Border Collies, characterized by high energy and temporary "forgetfulness" of training.

Celebrating 18 years with loyal pet companion - Facebook 18eighteen collie pop

If your request is related to dogs rather than art, "18" and "Collie" appear together in several other contexts: : The period between 6 and 18 months