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keyword

how much is a 1988 twenty dollar bill worth

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

$ curl "https://app.seodata.dev/v1/search-volume?q=how-much-is-a-1988-twenty-dollar-bill-worth" +--------------+------------------+ | volume | 320 | | cpc | $1.75 | | competition | 0.01 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
1988 a $20 bill 4,400 $0.06 20/20
20 dollar bill 1988 4,400 $0.04 20/20
1988 20 dollar bill 3,600 $0.08 20/20
1988 $20 bill 3,600 $0.08 13/20
20 dollar bill from 1988 3,600 $0.05 13/20
series 1988 a 20 dollar bill 1,300 $0.26 20/20
1988 20 dollar bill worth 1,000 $0.03 13/20
how much is a 1988 $20 bill worth 320 $1.75 17/20
how much is a 1988 20 dollar bill worth 320 $1.01 17/20
old 20 dollar bill 1988 30 $0 15/20

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-twenty-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