Casio Ctk CTK-720
keyboard
Has sold for €50 over 2016–2026, across 23 used sales. Too few in the last two years for a typical price today.
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Not enough sold data for a typical price. 1 for sale, from €14.
For sale right now
The best-priced as cards, a row of them; every other ad as a line, by ask. Each ask is the seller’s own number; the platform’s mark opens the listing. Each one says when we last confirmed it at its source: the price and availability are from that visit, so check the marketplace before you go.
1 local pickup ad in Germany, on Kleinanzeigen. Showing 1 local pickup ad in Germany, on Kleinanzeigen. Local pickup near you, in Germany: 1 ad on Kleinanzeigen.
1 more live · €14–€14
Price history
Every recorded sale, one point each: 23 of them, placed by the day the ad went up. Too few sales to draw a trend through them without inventing one, so the points speak for themselves. Condition is mixed, so some of the spread is a mint against a fair rather than the market moving.
Recent sales by listing date
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 10 Oct 2026 | €9$10 as sold | good |  United States | eBay United States auction | Details |
| 21 Sept 2026 | €37$42 as sold | good | United States | eBay United States auction | Details |
| 13 Nov 2024 | €52$60 as sold | very good | United States | Reverb | Details |
| 9 Nov 2024 | €59$69 as sold | excellent | United States | Reverb | Details |
| 30 Dec 2023 | €52$60 as sold | excellent | United States | Reverb | Details |
A date is the day the ad went up. Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and October 2026. A price is what the listing last asked, converted at that day’s rate.
Show all 23 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 3 Jun 2024 | €43$50 as sold | good | United States | Reverb | Details |
| 16 Sept 2023 | €56$65 as sold | very good | United States | Reverb | Details |
| 6 Jul 2023 | €47$55 as sold | good | United States | Reverb | Details |
| 28 Jan 2023 | €58$68 as sold | good | United States | Reverb | Details |
| 8 Dec 2022 | €77$90 as sold | very good | United States | Reverb | Details |
| 16 Nov 2022 | €64$75 as sold | very good | United States | Reverb | Details |
| 23 Jun 2022 | €26$30 as sold | fair | United States | Reverb | Details |
| 15 May 2022 | €82$95 as sold | excellent | United States | Reverb | Details |
| 25 Apr 2022 | €52$60 as sold | very good | United States | Reverb | Details |
| 3 Jun 2021 | €42$49 as sold | very good | United States | Reverb | Details |
| 13 May 2021 | €84$98 as sold | excellent | United States | Reverb | Details |
| 11 May 2021 | €64$75 as sold | very good | United States | Reverb | Details |
| 10 Feb 2021 | €49$55 as sold | very good | United States | Reverb | Details |
| 24 Jan 2021 | €69$80 as sold | very good | United States | Reverb | Details |
| 30 Sept 2020 | €71$80 as sold | very good | United States | Reverb | Details |
| 27 Sept 2020 | €80$90 as sold | excellent | United States | Reverb | Details |
| 15 Jan 2019 | €9$10 as sold | mint | United States | Reverb | Details |
| 26 May 2016 | €43$50 as sold | mint | United States | Reverb | Details |
A date is the day the ad went up. Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and October 2026. A price is what the listing last asked, converted at that day’s rate.
Cheapest live: United States €14 · before shipping
23 recorded sales of the Casio Ctk CTK-720 from 2016–2026, all-time around €50. Too few in the last two years to quote a typical used price. Cheapest live €14 before shipping. Figures computed 18 October 2026.