The following code produces the letter "J" on the first page, but does not draw that same picture on the second page.  I would appreciate some advice on how to save and redraw this label in subsequence figures.

Thanks,

Troy Henderson

\starttext
    \startMPinclusions[+]
        picture J;
    \stopMPinclusions
    \startMPpage
        J:=thelabel(btex J etex scaled 2,origin);
        draw J;
    \stopMPpage
    \startMPpage
        draw J;
    \stopMPpage
\stoptext