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Penelope Architect vs Old Grand-Dad Bonded

Comparing Penelope Architect and Old Grand-Dad Bonded reveals a matchup between a sourced, even-keeled blend and a traditional, spice-driven Kentucky staple.

Key Specifications

Feature Penelope Architect Old Grand-Dad Bonded
Type / Style Four-Grain Bourbon High-Rye Bourbon
Mash Bill 1 75% corn, 7% rye, 15% wheat, 3% malted barley 63% corn, 27% rye, 10% malted barley
Age No age statement 4 years
Proof 104 proof (52% ABV) +4 proof 100 proof (50% ABV)
Approx. Price 2 ~$60 – $70 ~$24 – $30 ~$38 less
  1. Old Grand-Dad Bonded does not publish an official mash bill.
  2. US shelf prices as of 2026-10; they vary widely by market.

AG’s Rating and AG’s Notes

Penelope Architect

Not rated yet

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Old Grand-Dad Bonded

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Flavor Profile

Penelope Architect Old Grand-Dad Bonded
sweetnessspiceoakfruitheatnuttiness

Axis by axis, biggest gap first

sweetness 7/5 sweetness: Penelope Architect 7 out of 10, Old Grand-Dad Bonded 5 out of 10
spice 6/8 spice: Penelope Architect 6 out of 10, Old Grand-Dad Bonded 8 out of 10
fruit 6/4 fruit: Penelope Architect 6 out of 10, Old Grand-Dad Bonded 4 out of 10
nuttiness 3/5 nuttiness: Penelope Architect 3 out of 10, Old Grand-Dad Bonded 5 out of 10
oak 5/5 oak: Penelope Architect 5 out of 10, Old Grand-Dad Bonded 5 out of 10
heat 6/6 heat: Penelope Architect 6 out of 10, Old Grand-Dad Bonded 6 out of 10

Flavor Profile Differences

Sweetness is where these two part ways.

  • Penelope Architect: Penelope's four-grain blend finished with French oak staves chosen for their tannin. The French oak adds berry, cherry and warm spice to a vanilla-heavy base.
  • Old Grand-Dad Bonded: A bonded 100-proof high-rye bourbon for the price of a mixer, and one of the great bargains on the shelf. Cleaner and less overwhelming than the 114 while keeping the peppery rye backbone.

Which One Should You Choose?

  • Go with Penelope Architect if you want a four-grain bourbon with a French oak finish that adds berries and warm spice.
  • Go with Old Grand-Dad Bonded if you want a bonded, high-rye workhorse at mixer money.

Best enjoyed neat, old-fashioned (Penelope Architect); neat, old-fashioned, cocktails (Old Grand-Dad Bonded).