> Source: https://www.openingbid.art/artist/helen-mary-knowlton · updated 2026-11-01

# Helen Mary Knowlton (1832–1918)

Helen Mary Knowlton is an American artist with 8 auction lots recorded since 1995, median price $518. Some sold prices are not yet verified as premium-inclusive or hammer, and are marked on this page.

A work by Helen Mary Knowlton sold in 2006 for $1,645, according to OpeningBid's index of auction results.

## What is a Helen Mary Knowlton work worth?

Across 6 sold lots tracked by OpeningBid, the median price of a Helen Mary Knowlton work is $518.

The median Helen Mary Knowlton painting sells for $518 across 6 lots.

Some prices are not yet basis-verified (premium-inclusive or hammer).

## Price breakdown by category

| Category | Lots tracked | Median price | Record price | Sell-through | Last sale |
|---|---|---|---|---|---|
| Paintings | 8 | $518‡ | $1,645 | 75% | 2024-09-12 |

‡ reported price — whether it includes the buyer's premium is not yet verified.

## Price by size

### Paintings

| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| small (under 50 cm) | 5 | $400–$950‡ | $575‡ | $1,645 |

‡ reported price — whether it includes the buyer's premium is not yet verified.

Size is the work's longest edge. Cells appear only with at least 5 sold lots.

## Notable results

| Medium | Year | Price |
|---|---|---|
| Paintings | 2006 | $1,645 |
| Paintings | 1996 | $950 |

The highest recorded result in each medium. The full sale history is in the OpeningBid app (free sign-up).

## Frequently asked questions

### What is a Helen Mary Knowlton worth?

Across 6 sold lots tracked by OpeningBid, the median price of a Helen Mary Knowlton work is $518. The median Helen Mary Knowlton painting sells for $518 across 6 lots. Some prices are not yet basis-verified (premium-inclusive or hammer).

### What is Helen Mary Knowlton's auction record?

Helen Mary Knowlton's auction record is $1,645, set in 2006.

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Data last updated 2026-11-01. OpeningBid tracks 15,222,099 auction lots from 571 auction houses, refreshed nightly.

Cite this page as: OpeningBid, “Helen Mary Knowlton auction prices”, https://www.openingbid.art/artist/helen-mary-knowlton (updated 2026-11-01).

Historical auction data, not investment advice. Prices are premium-inclusive USD where the buyer's premium is recorded. Figures marked † are hammer prices (buyer's premium not included); ‡ marks a price whose basis is not yet verified. Non-USD results are converted at the sale month's rate.