What does it cost to send a first class letter the Channel Islands?

|Destination/Weight|10g|20g|50g|100g|250g|500g|1kg|

|---|---|---|---|---|---|---|---|

|Guernsey|£1.15|£1.15|£1.55|£2.05|£3.00|£4.95|£7.50|

|Jersey|£1.15|£1.15|£1.55|£2.05|£3.00|£4.95|£7.50|