1977 Topps Star Wars Series 4 Trading Cards

Introduction

Collection of 66 cards and 11 stickers. Numeration continues from previous series, so cards go from #199 to #264 and stickers from #34 to #44.
Series 4 cards have a "Green Border".

Series 4 has only one, but huge puzzle on the back.
All the 44 pieces form a gigantic poster measuring 11x4 cards (RxC), using the picture in card #199. "The star warriors aim for action!", which is the first card of the series, and also happens to be the same picture used for the sticker #34, first of this series too.

Puzzles

Puzzle

The only puzzle of the series uses the picture opening the set and used for card #199. The star warriors aim for action!. Where Chewbacca and Han Solo are ready to fight!