
The silversmith in question, Abraham van Heusden of Amsterdam, 1784-1812, used to stamp his wares with a rectagonal, simple hallmark and the letter typeface seems similar to me. Could it be his own on my bowl?
I give below reference to the original object. Seemingly too large a picture to incorporate here:
http://i269.photobucket.com/albums/jj51 ... hBowl2.jpg