If you click this photo you can see the shimmer.
But does it have a dupe? I pulled out China Glaze Peace on Earth, Nina Ultra Pro Mossy Britches and OPI At Your Quebec and Call. No dupe. Nars Mash has a darker base and the others have a more pronounced golden look.
Here they are from top to bottom: Peach on Earth, Mash, Mossy Britches, and At Your Quebec and Call.
At Your Quebec and Call, Mossy Britches, Mash and Peach on Earth.