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keyword

how much is a 1990 series $100 bill worth

Monthly search volume and cost-per-click data for "how much is a 1990 series $100 bill worth" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=how+much+is+a+1990+series+$100+bill+worth&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 0.03 | | country | US | | updated | 2026-06-16 | +--------------+------------------+
All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
1990 $100 bill 8,100 $0.04 17/20
100 dollar bill 1990 6,600 $0.06 20/20
1990 series 100 dollar bill 1,300 $0.03 20/20
1990 series $100 bill 1,300 $0.03 13/20
us 100 dollar bill 1990 series 1,300 $0.03 13/20
1990 one hundred dollar bill value 590 $0.15 14/20
100 dollar bill 1990 worth 590 $0.07 13/20
how much is a 1990 hundred dollar bill worth 210 $0 13/20
how much is a 1990s $100 bill worth 210 $0.04 13/20
is a $100 bill from 1990 worth anything 70 $0 14/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=how+much+is+a+1990+series+$100+bill+worth&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt