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keyword

how much is a 1988 dollar bill worth

Monthly search volume and cost-per-click data for "how much is a 1988 dollar bill worth" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=how-much-is-a-1988-dollar-bill-worth" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0.02 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
1988 dollar bill value 140 $0 5/20
1988 a dollar bill value 140 $0 4/20
1988 dollar bill worth 140 $0 4/20
1988 dollar 50 $0 4/20
1988 series a $1 dollar bill worth 30 $0 9/20
series 1988-a 30 $0 5/20
1988a web note value 30 $0 4/20
series 1988 a 30 $0 4/20
five dollar bill 1988 series a 20 $0 4/20
series 1988a 1 dollar bill 10 $0 6/20

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://app.seodata.dev/v1/search-volume?q=how-much-is-a-1988-dollar-bill-worth" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt