The RSIN of this enveloped set of 10 gummed silhouettes is 2, meaning "rare."This set was produced in 1925 by Hall Brothers and sold for a single season. Hall Brothers changed their business name in 1928 to something much more familiar today, Hallmark.
03/30 Update: Prices for many items have been soft on eBay. Tax season? This fetched only $60 when they routinely fetch $85.