child's zoo collection

I purchased these at a yard sale thirty years ago. Have never seen them anywhere. The are cast metal, hand-painted, Made In England. Perfect
condition, no scratches or dents. There are 24 zoo animals all together. All range from 1 to 2 inches and include walrus, toucan, giraffe, raccoon, lion, badger, panda, penguin and young, hippopotamus, aardvark, elephant, deer (buck), seal (white), rhinoceros, beaver, kuala bear, chimpanzee, whale, polar bear, ostrich, tortoise, tiger, kangaroo, squirrel