At £60, this is well below the £145 25th percentile and far under the £271 median, so against the recent GBP comparables it reads as a strong bargain. The obvious alternative at this level is a generic fuse or no upgrade at all, and this is priced low enough to be an easy punt if you already know your system is fuse-sensitive.
This kind of Synergistic Research fuse is usually bought for a cleaner, more open presentation and a bit more refinement rather than a night-and-day transformation, so the upside is in system tuning rather than brute-value hardware. In excellent condition, the key buyer win is simple: low entry cost, little to lose, and a realistic chance of hearing whether the upgrade actually earns its place in your chain.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.