Certain things burn into your memory. This is an ad that appeared in the February 25th, 1978 issue of Billboard magazine. At the time I had just recently purchased Romeo & Juliet and had no idea who Alec R. Costandinos was beyond that and his work with Love and Kisses. But I loved those records, so I was determined to "collect the entire set."
Even 40 years later I often found myself wondering if I had indeed succeeded in that endeavor. Finding this online I can confirm that yes, I have all of them in my collection—and then some—although when The Hunchback was finally released, it arrived with totally different artwork on the sleeve:
