Pitman pressing with characteristic -1 matrices, small stamped mother, and P stamped before matrix on Side 2
First US editon released in a unipak sleeve. The card in the front cover is perforated along the edges. Old green Warner label design with color logo at top only. There's a similar version with an added black-and-white Warner logo at the right side of labels, here:
Comes with b/w printed promo inner sleeve for Straight/Bizarre sampler 'Zapped'.
'IVY DUO-PAK™' printed on inner spine.