The phrase "a lovely example of this" is correct and usable in written English.
You can use it when you want to highlight a specific instance or illustration that exemplifies a point or concept being discussed.
Example: "The painting displayed at the gallery is a lovely example of this artistic style, showcasing the vibrant colors and dynamic brushwork typical of the period."
Alternatives: "a great illustration of this" or "a fine representation of this".
Holiday memorabilia is especially popular this time of year, of course, and 19th century ornaments such as this European St. Nicholas are a lovely example of the kind of items people can collect without spending a great deal of money.
This conditional view of economic policy is a lovely example of the aphorism that "when the facts change, I change my mind; what do you do?" It is usually attributed to Keynes, but some pedants say the first recorded version was uttered by Paul Samuelson, the Nobel laureate economist who happens to be Mr. Summers's uncle.
A lovely example of the traditional meal.
It is spirited, entertaining and well wrought, a lovely example of the early Classical style, but if you abandon hindsight, it is miles from the Mozart everyone reveres.
She gives a lovely example of the panic that we feel in dreams when our legs refuse to move as we flee the monster.
It's a lovely example of the past reaching out to the present, and vice versa, enriched of course by our own knowledge of Ms. Lansbury's storied past as an actress.
Though it was written and "planned" by Hayao Miyazaki, perhaps the greatest living fantasist in world cinema (and directed by his son Goro), this movie, based on a manga by Chizuru Takahashi and Tetsuro Sayama, is a lovely example of the strong realist tendency in Japanese animation.
A 14th-century image of Christus Pantocrator with St. Peter and St. Paul is a lovely example of the transition from Byzantine to Gothic painting, and several earlier works, like some 13th-century frescoes of popes and an early copy of a mosaic bust of an angel attributed to Giotto, are historically meaningful if not quite as heart-stopping as the Bernini.
