collection of 21 singles and nine blocks of four (plus several pairs and strips), mostly mint, neatly and meticulously annotated with varieties and flaws, every stamp identified by stage and position, we note CZSG-listed varieties including right "Panama" 5mm below bar (14.6), first and second "As" small in right "Panama" (14.7), "M" tall, think, and without serifs in left "Panama" (14.8), short "A" at top in left "Panama" (14.9a), "N" with thick left stroke in right "Panama" (14.10a), "8" in Type B (14.12), "8" in Type C (14.13), overprint split horizontally (14.16a), and bar at bottom (14.17), generally fine to very fine, an extraordinary holding for the specialist in this issue (Scott $1,350 for nine normal mint blocks, not counting the singles and varieties)