Is it Bakelite?
Lot - Vintage Martha Sleeper Bakelite and celluloid cigarette
Wonderful Figural Funny Bakelite Martha Sleeper Puppy Dog Pin
Bakelite / Galalith Martha Sleeper Sleepy Owl Pin Bro… - Gem
azure-templates/elasticsearch/data/hunspell/en_US/en_US.dic at
2016-01-25-git-sample/en.dic at master · luizirber/2016-01-25-git
Martha Sleeper Bakelite Dog Pin - Gem
Word-Blitz-Facebook-Game/words3.txt at master · gaurab4163/Word
Martha Sleeper Bakelite Dog Pin - Gem
Bakelite Charm Zipper Pull Pendant for Necklace Brace… - Gem
Lot - Vintage Martha Sleeper original 1930s ''School Days
Lot - Vintage Martha Sleeper Bakelite and celluloid cigarette
Bakelite Charm Zipper Pull Pendant for Necklace Brace… - Gem