UNUSED ESTERBROOK FLO-MASTER SET 1950'S $20.00 USD Sold on: 2014-Mar-01 Marketplace: eBay 1 Treasure 0 Trash 100% Detail: THESE TWO FLO-MASTERS look as if they were never used. These were what were used before the Magic Markers became popular beginning in 1958. . The instruction sheet indicates they were made in Camden, ... More Relevance Historical Items
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