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This modern styled Hamilton Cosco booster seat from the 1950s features an Eames era slickness.

The fiberglass seat, in an avocado green, sits on chrome legs,which can be set for two positions -- picture shows the high position, while the lower position squats it down a bit.

The darker green cushion seat is in great shape, with no rips or tears. The fiberglass has the expected mild scuffs and marks from age. The legs are missing one of the rubber wraparound feet (see picture), and the underside is missing a screw, although that is easily replaced.

Who says toddlers can't enjoy vintage hipness just like the adults?

Note: seat perfectly matches the vintage reference book How to Know the Mosses and Liverworts, also on Nickadizzy. Why not get them as a combo?


Convo with any questions.

Vintage Eames era Hamilton Cosco mod Avocado green booster seat for toddlers


  • Vintage item from the 1950s
  • Materials: fiberglass, metal, chrome
  • Only ships within United States.
  • Feedback: 331 reviews
  • Favorited by: 26 people