Image of the coin. All images  TheFakePoundCoinDatabase unless otherwise stated.
(Click to enlarge)
Coin ID : SUB : Z-MIXUP Year : 1998 &
Year : 2001
Weight : ? g / 12.0g
Design : Brunel (Station) Fake Type : Steel Centre Diameter : ? mm / 28.4mm
Notes : Images are Gary Phelps. Mix of two different reverse dies, with what is suspected to be genuine 10p coins filed down.
Very interesting coin. If you outbid me and own it, let me know what you think!