Marvel Comics Index #9B lists Dan Crespi as letterer.
Letters from Bruce Clayton (Baytown, TX), Kris Perdew (Richardson, TX), and Dan Shombert (Berkeley Hts, NJ).
At bottom of letters page. Promo for Marvel Classics Comics (Marvel, 1976 series) #23 "Moonstone", and #24 "She." "Both on sale in June!"