On the other hand if you placed an order of over £15 and used the code FD2022 they would give you a free copy of " Identifying Roman Coins" by Richard Reece & Simon James.
So as recently I have had a couple of nice buckles and needed help identifying them (thanks Steve and Cath

£17.50 for a good reference book seems fair and having another costing £15 thrown in as a freebie has to be a bonus

https://www.greenlightpublishing.com/
Evan