Stamped adverbs are provided in this article. The words listed here are commonly found along with the verb stamped in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb STAMPED.
clearly, completely, deeply, distinctly
duly, finally, firmly, immediately
impatiently, indelibly, legibly, officially
originally, plainly, properly, ruthlessly
strongly, usually, visibly
Hope this word list had the stamped adverb you were looking for. In addition to adverbs used with stamped, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.