Gold 1929 Great Britain Pennyq

I came across a golden colored 1929 penny from Great Britain, with the portrait of George V on the back, but cant find it on the database. Did I get duped? 

Hello 🤖

Without pictures, it will be very difficult for anyone to help you. Could you please post clear pictures of each side of your item?

Please note that this is an automatic message. Feel free to ignore if it is not relevant.

 Most likely plated, to make jewelry 

https://eliteluxurygoldplating.com/product/penny-necklace-gold-plated/ [1911 to 1970] 

or a school experiment.