The first edition of Butterflies & Moths has the number 24413 on the spine and a cover price of $1.00 . © Copyright 1964, 1963, 1962 by Golden Press. Golden Press probably published this title in another version. All copies I have seen have three copyright dates. I have never found the 1962 or 1963 version of this book. A first printing has the letter A on page 160. Part of the Golden Nature Guide series.
Butterflies & Moths had a minor cover change, with the text changing on the covers. Cover price is $1.50. The number on the spine is 24413. The letter on page 160 is N. Cover lists this title as a Golden Guide.(not shown, but essentially the same as image #2 without the words Revised Edition on the cover)
A revised edition of Butterflies & Moths was done in 1977. Cover price is $1.95. The number on the spine is 24413. The letter on page 160 is S. (image #2)
Butterflies & Moths had another cover change in a revised edition dated 1987. Cover price is $3.95. The number on the back cover is 24052, not 24413 as in previous versions. The letter code on page 160 is ABCDEF. Which makes it a first printing of this revision. Stated in the forward: This edition includes recent changes in scientific and common names and geographical distributions. Also included is new artwork by Ray Skibinski. (image #3)
Image #1 was published as a large (5 ¼ by 7 ¾ inch) hardcover. The number on the back cover is 63524.
Still in print by St. Martin's Press.