Vintage earrings pink green blue topaz gold crysta

Vintage in great condition unique earrings feature gold-plated or toned pinwheels or pansies with very sparkly pastel pink, green, blue, & topaz/yellow crystals. Appear to originally have been screwbacks or scatter pins converted to posts for pierced ears. Are not exactly alike. (See colors at top.) Well made sturdy earrings. Looks like 1960s era to me. Were sold to me several yrs ago as Hollycraft. Not signed. May have been signed on orig. backs? I could not find evidence these are Hollycraft