This photo below is the remnants of the date and size stamp.  It clearly has the two words "Date" and "Size" printed on the left hand size, with the obvious intention that the details would be filled in by hand.  Unfortunately, the Date entry has been worn away over the years.  Next to the "Size" heading it appears t say something like:

JB  ?eter  esq

OR

JB ?eter escr

Might it be Peter?  Or Exeter? 

And the numeral 14 is written twice - once on the woodwork itself below this label, and once on the RHS of the label.