This is a small stamp with blue skies and white lines with green bushes.
the stamp is expensive
The stamp design does not imply that it is expensive.
exists p1 x1.(n_thing(x1) & exists s1 s2 s3 s4 x2 x3 x4 x5 x6.((x1 = x2) & with(x2,x3) & subset_of(x5,x3) & with(x5,x6) & n_bush(x6) & a_green(s4) & Theme(s4,x6) & n_line(x5) & a_white(s3) & Theme(s3,x5) & subset_of(x4,x3) & n_sky(x4) & a_blue(s2) & Theme(s2,x4) & n_stamp(x2) & a_small(s1) & Theme(s1,x2)))
exists s1 x1.(n_stamp(x1) & Theme(s1,x1) & a_expensive(s1))