This is a fine vintage 1960s Celtic Style Sterling Silver Brooch.
It has been designed by the celebrated Scottish silversmith, Robert Allison - and takes the form of a circular shield or Scottish targe. The pattern is made up of interlaced knotwork.
It is marked with the maker's initials on the reverse RA and has a British hallmark - as photographed. It is also stamped: Scotland
It has a locking c-clasp catch, as shown, The catch and pin is nice and secure. The tip of the pin is nice and sharp.
The diameter of the brooch is just over 1 1/4 inches (3.5 cm).
It is sold in nice vintage condition - clean and all shiny.
The brooch will be sent to you in simple black card gift box - so that you can store it safely or give it as a little gift.
I am quoting postage to you as £4.95 with Royal Mail Recorded post - if I can post it cheaper - then happy to refund any overpayments. The postage will be applied to your order at the checkout.