Has Washington legalized weed yet? I wonder if the seller has been smoking some as the opening price for this is pretty out there. These shades were part of Beistle's 1923 party set and are not uncommon. In perfect condition, the entire set goes for ~$425, so placing a BIN of $150 on a single shade alone did elicit a guffaw. In perfect condition, which this isn't, these shades typically fetch well south of the opening bid. Move on...
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Mark B. Ledenbach's vintage Halloween collectibles blog.
Rare Vintage Beistle Halloween Party Decorations Book MINTY UNUSED
Complete ANTIQUE 1920'S Vintage BEISTLE Halloween ENVELOPE w/ DECORATIONS NM
Beistle issued three iterations of this Party Set in 1923. The most common takes the form of a booklet, less common is the enveloped set, like the one this seller has listed, and the least common is the boxed set. All are desirable, especially with complete, mint contents. I feel this set is an iconic "must have" if one collects Beistle from this era - as it is representative of their fairy mania phase that lasted only a single season.