Castles:
Kenilworth

silk:
cm long by cm deep

Chris Radley, in his book "The Woven Silk Postcard" discusses the Stevens Experimental cards. He records that whilst there is no evidence on the cards themselves to attribute production to Stevens, nevertheless a member of the Stevens family confirmed that these cards had been handed down through the family.

As can be seen from the image above, the card itself is not at all like any other Stevens postcard, and the silk is smaller and less detailed that the earlier Kenilworth Castle postcard.

It is unlikely these cards were released for general sale, being used instead by the Stevens family for personal use.
The reverse of these experimental cards has a distinctive printed pattern, best described as a " tear drop " pattern:-