The second coin reads ‘CIVI TAS LON DON’ not ‘ LONDONIENSIS’ and judging by its size is probably a halfpenny not a farthing. Have you bought a suitable scales yet?
Jerry
Similar for me.
And if you live within an hour or two of Galata's address, have a day out walking in the area and pick them up. You will probably be offered a cup of tea and a slice of cake.
Paul and Bente are nice people.
I have a Royal Mint issue mint collection with 1, 2,5,10,50 cent plus 1dollar . These are in a Royal Mint illustrated folder . Any interest in acquiring these .
Dave Allan UK