[Philately]: Wonder Color Gauge: Positively Identifies All Stamp Colors

$20 · Offered by Between the Covers

North Hollywood, California: Wonder Philatelic Supply Co., (circa 1939?). Unbound. Philatelic color gauge. Five cards in glassine sleeve. The cards measure 6¾" x 3¼ and are numbered one through five. One card stamped "May 39" and the versos are a trifle soiled, the cards are about fine in a very..... More

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