Un-signed, I have seen similar listed as being produced in SPAIN, but there are no markings that I can find on this one

SUPER CUTE Penguin Brooch measures 1 1/2" tall x 1" wide, with a Faux-Pearll Plastic Jewel for a tummy

Locking pin hardware is all good and functional

Easy to fall in love with!  This is a cutie, ready to liven up your winter coat or hat