Other rings were all Belgian ones, with 3 known birds seen. I also managed to read the code of one Ruddy turnstone, probably locally ringed.
2nd cal Herring gull white 0HA4 (P. Veron), my first Guernsey-ringed bird!
Ruddy turnstone Brussel 99Z23897.
ad Herring gull blue MT.AS (E. Stienen).
4th cal Herring gull blue PFA.F (E. Stienen).
2nd cal Herring gull blue YS.AX (E. Stienen)