Seal of Strength (Overnumbered)

Collector number 231
ShowcaseStandard
Market Price£40.2830d change unavailable
PSA 10 priceEstimated30d change unavailable
ACE 10 priceEstimated30d change unavailable
Daily prices in GBP
DateMarketCardmarketCardmarket FoilPSA10 EstimateACE10 Estimate
3 Jul 2026N/AN/AN/AN/AN/A
4 Jul 2026N/AN/AN/AN/AN/A
5 Jul 2026N/AN/AN/AN/AN/A
6 Jul 2026N/AN/AN/AN/AN/A
7 Jul 2026N/AN/AN/AN/AN/A
8 Jul 2026N/AN/AN/AN/AN/A
9 Jul 2026N/AN/AN/AN/AN/A
10 Jul 2026N/AN/AN/AN/AN/A
11 Jul 2026N/AN/AN/AN/AN/A
12 Jul 2026N/AN/AN/AN/AN/A
13 Jul 2026N/AN/AN/AN/AN/A
14 Jul 2026N/AN/AN/AN/AN/A
15 Jul 2026N/AN/AN/AN/AN/A
16 Jul 2026N/AN/AN/AN/AN/A
17 Jul 2026N/AN/AN/AN/AN/A
18 Jul 2026N/AN/AN/AN/AN/A
19 Jul 2026N/AN/AN/AN/AN/A
20 Jul 2026N/AN/AN/AN/AN/A
21 Jul 2026N/AN/AN/AN/AN/A
22 Jul 2026N/AN/AN/AN/AN/A
23 Jul 2026N/AN/AN/AN/AN/A
24 Jul 2026N/AN/AN/AN/AN/A
25 Jul 2026N/AN/AN/AN/AN/A
26 Jul 2026N/AN/AN/AN/AN/A
27 Jul 2026N/AN/AN/AN/AN/A
28 Jul 2026N/AN/AN/AN/AN/A
29 Jul 2026N/AN/AN/AN/AN/A
30 Jul 2026N/AN/AN/AN/AN/A
31 Jul 2026N/AN/AN/AN/AN/A
1 Aug 2026N/AN/AN/AN/AN/A
2 Aug 2026N/AN/AN/AN/AN/A
3 Aug 2026N/AN/AN/AN/AN/A
4 Aug 2026N/AN/AN/AN/AN/A
5 Aug 2026N/AN/AN/AN/AN/A
6 Aug 2026N/AN/AN/AN/AN/A
7 Aug 2026N/AN/AN/AN/AN/A
8 Aug 2026N/AN/AN/AN/AN/A
9 Aug 2026N/AN/AN/AN/AN/A
10 Aug 2026N/AN/AN/AN/AN/A
11 Aug 2026N/AN/AN/AN/AN/A
12 Aug 2026N/AN/AN/AN/AN/A
13 Aug 2026N/AN/AN/AN/AN/A
14 Aug 2026N/AN/AN/AN/AN/A
15 Aug 2026N/AN/AN/AN/AN/A
16 Aug 2026N/AN/AN/AN/AN/A
17 Aug 2026N/A£39.20£33.78N/AN/A
18 Aug 2026N/A£39.22£33.58N/AN/A
19 Aug 2026N/A£39.26£33.04N/AN/A
20 Aug 2026N/A£39.27£33.05N/AN/A
21 Aug 2026N/A£39.32£35.02N/AN/A
22 Aug 2026N/A£39.30£35.05N/AN/A
23 Aug 2026N/A£39.30£35.05N/AN/A
24 Aug 2026N/A£39.30£35.05N/AN/A
25 Aug 2026N/A£39.24£34.68N/AN/A
26 Aug 2026N/A£39.24£34.29N/AN/A
27 Aug 2026N/A£39.27£34.72N/AN/A
28 Aug 2026N/A£39.33£34.78N/AN/A
29 Aug 2026N/A£39.32£34.24N/AN/A
30 Aug 2026N/A£39.32£34.68N/AN/A
31 Aug 2026N/A£39.32£34.68N/AN/A
1 Sept 2026N/A£39.29£34.65N/AN/A
2 Sept 2026N/A£39.29£34.50N/AN/A
3 Sept 2026N/A£39.39£34.59N/AN/A
4 Sept 2026N/A£39.47£34.77N/AN/A
5 Sept 2026N/A£39.40£34.32N/AN/A
6 Sept 2026N/A£39.40£34.26N/AN/A
7 Sept 2026N/A£39.40£33.72N/AN/A
8 Sept 2026N/A£39.40£33.72N/AN/A
9 Sept 2026N/A£39.33£33.23N/AN/A
10 Sept 2026N/A£39.40£33.02N/AN/A
11 Sept 2026N/A£39.41£32.03N/AN/A
12 Sept 2026N/A£39.36£31.22N/AN/A
13 Sept 2026N/A£39.36£30.88N/AN/A
14 Sept 2026N/A£39.36£31.74N/AN/A
15 Sept 2026N/A£39.26£30.60N/AN/A
16 Sept 2026N/A£39.26£30.59N/AN/A
17 Sept 2026N/A£39.33£29.67N/AN/A
18 Sept 2026£43.23£39.37£29.04N/AN/A
19 Sept 2026N/A£39.39£30.04N/AN/A
20 Sept 2026N/A£39.39£30.04N/AN/A
21 Sept 2026£43.23£39.35£28.90N/AN/A
22 Sept 2026£43.23£39.35£28.90N/AN/A
23 Sept 2026£40.28£39.35£28.90N/AN/A
24 Sept 2026£40.28£39.43£28.15N/AN/A
25 Sept 2026£40.28£39.44£28.16£133.73£74.52
26 Sept 2026£40.28£39.47£27.84£152.66£84.19
27 Sept 2026£40.28£39.47£27.84£129.30£59.21
28 Sept 2026£40.28£39.47£27.96£126.08£59.21
29 Sept 2026£40.28£39.35£27.88£132.92£60.42
30 Sept 2026£40.28£39.32£28.28£139.77£60.42
1 Oct 2026£40.28£39.20£28.27£139.77£60.42

The cheapest copy has been sitting at £38.14 for 8 days without a buyer, so you'll need to undercut that to shift stock first. No raw copy has sold in 30 days despite three UK listings on the market, which signals this is a slow mover—either price it down to the last sale or settle in for a wait. Raw copies do shift at around £40.00 when they move (20 sales over the last 90 days), so there's a gap between that median and the current ask.

Updated Summary by Claude

More Info

Seal of Strength Showcase card from Riftbound Spiritforged (SFD 231). Released 2026 in a 308-card set. Standard printing of this Overnumbered variant.

AI generated

Card updated 1 Oct 2026. Prices may differ from individual listings.