Balance Nexus dressage saddle made by Frank Baines in the UK, C seat (measures 18 inches and I normally ride in a 17-17.5 inch) XXW. It does have a couple of marks on the cantle (thanks Cavi!) and some rub marks from stirrup leathers but otherwise tip top. Always covered, kept indoors and looked after. Only 1 previous owner.   Asking $1000. Price includes 1/2 inch & 1/4 inch JB pads, Balance sheepskin base pad and Balance sheepskin numnah. This is a lovely, comfortable saddle which puts you in a correct position. 

https://www.balanceinternational.com/saddles/nexus-saddles

https://www.balanceinternational.com/functional-saddling

file:///C:/Users/iains/Downloads/the-balance-saddling-system-manual.pdf