Mortlach 20 Year Old Cowie’s Blue Seal is a collectable Scotch whisky from Mortlach aged 20 years. Based on 7 recorded auction lots across 7 months of trading data, the current median hammer price is £130, with the most recent sale at £130. Over the trading window, prices have ranged from £93 (low) to £160 (high). Accounting for lot-to-lot variation, a realistic valuation range for Mortlach 20 Year Old Cowie’s Blue Seal is £113–£148 (±13% around the latest sale).
Mortlach is a whisky distillery. Mortlach 20 Year Old Cowie’s Blue Seal is an age-stated bottling at 20 years old.
Age statement
A 20-year age statement signals extended maturation, which limits how much was ever bottled.
Named / limited release
Released as bluecowieseal, a named edition rather than part of the standard core range.
These are scarcity and demand signals drawn from the bottle's own attributes — they describe the bottle, not a prediction of future price. Not investment advice.
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Latest sale
£130
24-month median
£130
24-month high
£160
24-month low
£93
Estimated value · likely range
£113–£148 ±13%
Auction hammers swing lot to lot with condition, fill level and timing. Treat this band — not a single figure — as the bottle's value.
Seen at: Scotch Whisky Auctions · Whisky Hammer
Cross-house median
£140
Median hammer price blended across every recorded sale at all 2 auction houses below — a single figure that smooths house-to-house variation.
| Auction house | Price points | Latest hammer | Median |
|---|---|---|---|
| Scotch Whisky Auctions | 20 | £110 | £143 |
| Whisky Hammer | 7 | £130 | £130 |
| Month | Median | Lots |
|---|---|---|
| May 2026 | £130 | 1 |
| November 2025 | £105 | 1 |
| September 2025 | £150 | 1 |
| August 2025 | £93 | 1 |
| February 2023 | £145 | 1 |
| August 2022 | £160 | 1 |
| July 2022 | £120 | 1 |
More from Mortlach
The latest hammer price for Mortlach 20 Year Old Cowie’s Blue Seal at auction is £130. Across the most recent 24 months of auction data, the median hammer price is £130, with a high of £160 and a low of £93. All prices are in GBP and exclude buyer's premium. Data is aggregated from major auction houses including Scotch Whisky Auctions, Whisky Auctioneer, and Bonhams.
wsky1 currently has fewer than 12 months of auction data for Mortlach 20 Year Old Cowie’s Blue Seal, so a year-on-year trend is not yet computed. Recent hammer prices range from £93 to £160 (median £130).
Mortlach 20 Year Old Cowie’s Blue Seal regularly appears at major Scotch whisky auction houses including Scotch Whisky Auctions (Scotland), Whisky Auctioneer (Scotland), Just Whisky, Whisky Hammer, and Bonhams. The current median hammer price is £130 (excluding buyer's premium). At most major houses, buyer's premium adds 24–28% on top of hammer for the buyer; sellers typically receive the hammer price minus a sales commission of 5–15%.
Mortlach 20 Year Old Cowie’s Blue Seal has appeared in 7 recorded auction lots in our database, with a current median hammer price of £130. wsky1 provides hammer-price data for informational purposes only — not investment advice.
wsky1 ingests public auction results from major auction houses (via direct scraping of Scotch Whisky Auctions, Whisky Auctioneer, Bonhams, and Whisky Hammer, plus aggregated data from WhiskyHunter). For each bottle, we group hammer prices by year-month and compute the median price per month. The figures shown — latest £130, 24-month median £130 — are derived from this monthly-median methodology. All prices are hammer prices in GBP, excluding buyer's premium.
No. All prices on wsky1 are hammer prices only. Buyer's premium at major Scotch whisky auction houses currently runs at 24–28% on top of the hammer price. A bottle of Mortlach 20 Year Old Cowie’s Blue Seal that hammers at £130 would cost the buyer approximately £164 all-in including buyer's premium.
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