1975 (08) Railways - Wilton House 'GWR Caerphilly Castle' Cover - Salisbury FDI

Unusual Overprinted Wilton House '1923 GWR Caerphilly Castle' Cover...... Salisbury FDI.

Has the same image and colours that were used on the Cotswold Official from the earlier Architectural Heritage Issue - but appears to be then overprinted in 3 areas for this issue....

Very unusual cover............

Code: 60018