Portrait stamp of A desert cactus

naive folk art illustration on a postage stamp, bold black outlines, stippled dotted shading technique, cream off-white paper background, perforated serrated stamp edges, slightly aged paper texture, hand-drawn feel, limited 2-3 color palette, small decorative elements, square format, stamp fills the entire image, NO padding outside stamp edges, NO background frame, NO border outside the stamp, ONLY the stamp itself visible, close-up face portrait, simple minimalist face with dot eyes, stippled shading on skin, expressive simple eyes, cross-hatched clothing textures, blue-grey background with subtle texture. Subject: A desert cactus. No text, no words, no letters, no numbers. The stamp fills the entire image with NO outer padding or frame - ONLY the stamp itself visible, NOTHING else.