Here is what Google had to say about this. 1979, C-3PO (Threepio) figure by Kenner:

The 1979/1980 Kenner Star Wars 21-back carded C-3PO features the classic shiny gold-plated figure (labeled "See-Threepio" on earlier packaging) housed on a blister card showcasing 21 available action figures on the back.

Figure Details

• Name: See-Threepio (C-3PO)

• Accessories: None

• Material/Finish: Cast in glossy, reflective gold plastic

• Cardback: 21-back featuring character grid illustrations on the reverse and often promotional offers (such as secret figure or bounty hunter announcements). Please steady the photos and message me with any questions or concerns prior to offerding. No refunds. No. buyers outside the USA. S&H is a flat rate $12 (USPS).

Related Items:

Vintage 1979 Knickerbocker Godzilla 8” Plush Hanna-Barbera Cartoon Licensed RARE

$99.99

---

Vintage 1979 Days Inn Directory Motel Travel Guide Map Booklet USA Color

$17.99

---

Vintage 1979 Battlestar Galactica Calendar with Full Length Poster

$15.00

---

---