https://tuckdbpostcards.org/items/133808
The real photograph and sepia versions of the card are recorded in separate sets:
ST. IVES, REAL PHOTOGRAPH
ST. IVES, sepia
Where coloured versions of the card exist they have been added to the card record in the ST. IVES, sepia set with a note added to the card comment e.g. PORTHMINSTER BEACH - TuckDB Postcards