Looks to be G. Buck and not J. Buck but either way the address stamped below that looks to read GOODGE ST? Doesn’t match anything in the Goodmans Planemakers book. So cannot firm a date. The plane is in good condition with no breaks to the wooden body or the wedge other than usage scratches, there is a number 6 on rear end top of plane body and a wooden strike button on the heel of plane, the iron is clean steel and a Marples with a width of 2 5/16” a great plane for the workshop.
Price is inclusive of postage to mainland U.K.