Edwina designed a series of pound coins for the Royal Mint, which were issued from 2004 to 2007. They were the first decimal pound coin designs that were figurative or representational and not heraldic.

UK, one pound, 2004. Forth Bridge, Scotland.

UK, one pound, 2005. Menai Suspension Bridge, Anglesey, Wales.

UK, one pound, 2006. The Egyptian Arch, Newry, Northern Ireland.

UK, one pound, 2007. Gateshead Millennium Bridge, England.