This is an original pen and watercolor with wash painting that is signed and dated. The '90 is for 1990. It is done in an illustrative style. Checking against all the listed artists with the last name Luck, there is not a stylistic or signature match, thus the author of this work is considered 'unlisted'. As an original work by an unlisted artist, the estimate is based on actual past auction sales of comparables on today's market.