In 2011 Guinee issued a very large batch of triangle stamps. Although not cinderellas, they are generally thought to be wallpaper. I have included one set from that year in my collection
1962
Black Crowned Crane
Guinea 1962 Racing
Guinea 1962 Shotput
Guinea 1962 Tennis
Guinea 1962 Trapshooting
Guinea 1962 Volleyball
Guinea 1962 Wrestling
Helmeted Guineafowl
1963
1963 Guinea Basketball 1
1963 Guinea Basketball 2
1963 Guinea Boxers
1963 Guinea Boxers 2
1963 Guinea Cycling
1963 Guinea Cyclists 2
1963 Guinea Kayakers
1963 Guinea Snakes 1
1963 Guinea Snakes 2
1963 Guinea Snakes 3
1963 Guinea Sprinters
1963 Guinea Sprinters 2
Giinea Diamond 7
Guinea 1963 Diamond 2
Guinea Basketball
Guinea Boxing
Guinea Diamond 10
Guinea Diamond 11
Guinea Diamond 12
Guinea Diamond 5
Guinea Diamond 6
Guinea Diamond 7
Guinea Diamond 8
Guinea Diamond 9
Guinea Olympic Sprinters
Guinea Snakes $80
Guinea Snakes 1$50
Guinea Snakes 15$00
Guinea Snakes 2$00
Guinea Snakes 2$50
Guinea Snakes 20$00
Guinea Snakes 3$50
Guinea Snakes 4$00
Guinea Snakes 5$00
Guinea Sprinters
Snakes from Guinea 1
1964
Guinea Cyclist ( surcharge)
Guinea Kayak ( surcharge)
Guinea Sprinters ( alternate)
Guinea Sprinters ( surcharge)
1971
Blue Head Coucal
Eurasian Golden Oriole
Great Grey Shrike
Purple Crested Turaco
Southern Ground Hornbill ((Guinea)
Vulturine Guinea Fowl
1973
1973 Birds 1
1973 Birds 2
1973 Birds 3
1973 Birds 4
1973 Birds 5
1973 Birds 6
1973 Birds 7
1973 Birds 8
1973 Birds 9
1975
1975 Guinea Elephant
1975 Guinea Rhino
Guinea Wildlife 1
Guinea Wildlife 10
Guinea Wildlife 11
Guinea Wildlife 2
Guinea Wildlife 3
Guinea Wildlife 4
Guinea Wildlife 5
Guinea Wildlife 6
Guinea Wildlife 7
Guinea Wildlife 8
Guinea Wildlife 9
1997
Dogs 200
Dogs 400
Dogs 450
Dogs 500
2001
Guinea Ape
Guinea Shells 1
Guinea Shells 2
Guinea Shells 3
Guinea Shells 4
Guinea Shells 5
Guinea Shells 6
Guinea Vulture
Guinea Whale
2011
2001 Big Cats 1
2011 Big Cats 2
2011 Big Cats 3
2011 Big Cats 4
2011 Big Cats 5
2011 Big Cats 6
Bat 1
Bat 10
Bat 11
Bat 12
Bat 2
Bat 3
Bat 4
Bat 5
Bat 6
Bat 7
Bat 8
Bat 9
Bird Guinea 1
Bird Guinea 2
Bird Guinea 3
Guinea Butterfly 1
Guinea Butterfly 2
Guinea Butterfly 3
Guinea Croc 1
Guinea Croc 2
Guinea Croc 3
Guinea Croc 4
Guinea Elephant
Guinea Elephant 1
Guinea Elephant 2
Guinea Elephant 3
Guinea Insects 1
Guinea Insects 2
Guinea Insects 3
Guinea Insects 4
Guinea Insects 5
Guinea Jaguar
Guinea Lynx
Guinea Orchid 1
Guinea Orchid 2
Guinea Orchid 3
Guinea Rabbit 1
Guinea Rabbit 2
Guinea Rabbit 3
Guinea Rabbit 4
Guinea Rabbit 5
2012
Martial Eagle, Guinea, 2012
2013
Martial Eagle, Guinea, 2013
2020
Abyssinian Roller
Black Billed Streamertail
Blue Bellied Roller
Scarlet Chested Sunbird-Guinea
Souimanga Sunbird
Yellow Bellied Sunbird-Guinea