Ravenbeak Pacific Self Yew named "Halidon" marked as 55# @ 30 Inches
Right handed arrows pass, with a left handed arrow pass added at a later date.
The bow appears online to have travelled from Canada to Sweden, and then after a listing on 1066 Archery, to the UK.
The left hand arrow pass wasn't added by the original bowyer.
You can see the original listing here https://www.ravenbeak.com/sold-bows.html
Then it's subsequent listing on Roger Massey site here
https://1066fieldarchery.co.uk/Ravenbeak-Pacific-Yew-Selfbow/ELB-67-55lb-30
Your attention is drawn to the left hand pass here
*Sensible offers are invited