Lot 225 in an upcoming Kelleher auction is devoted to butter, oleomargarine and filled cheese:
https://stampauctionnetwork.com/V/v77638.cfmQuote:
I Can't Believe Its Not Butter, 1886-1952, approx 100 revenue stamps and documents related to butter, oleomargarine, and filled cheese in a 3 ring binder; as these were not intended for collectors, condition varies considerably as one would expect; Enovated Butter Stamp (FB8), Process Butter Stamp (FB17, FB12, and Type II stamp), Oleomargarine Stamp (FE10, FE12, FE45, and FE47), 1916 Processed Butter Stamps (includes FB31a, FE31b, FE33a, FB35b), 1893 First Oleomargarine Tax Series, FE50, Orange Numerals, FE58, 1915 Series, 1926 Series, 1952 Series Filled Cheese (mint complete sheet of 10), and much more, Fine, ex Gatsby. Shipping charges apply - weight 3.4 lbs
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