> Source: https://www.openingbid.art/artist/gertrude-martin-tonsberg · updated 2026-11-01

# Gertrude Martin Tonsberg

Gertrude Martin Tonsberg is an American artist with 4 auction lots recorded since 1993, median price $990.

A work by Gertrude Martin Tonsberg sold in 2001 for $1,955, according to OpeningBid's index of auction results.

## What is a Gertrude Martin Tonsberg work worth?

Across 3 sold lots tracked by OpeningBid, the median price of a Gertrude Martin Tonsberg work is $990.

The median Gertrude Martin Tonsberg painting sells for $990 across 3 lots.

## Price breakdown by category

| Category | Lots tracked | Median price | Record price | Sell-through | Last sale |
|---|---|---|---|---|---|
| Paintings | 4 | $990 | $1,955 | 75% | 2011-05-20 |

## Notable results

| Medium | Year | Price |
|---|---|---|
| Paintings | 2001 | $1,955 |
| Paintings | 1993 | $990 |

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 Gertrude Martin Tonsberg worth?

Across 3 sold lots tracked by OpeningBid, the median price of a Gertrude Martin Tonsberg work is $990. The median Gertrude Martin Tonsberg painting sells for $990 across 3 lots.

### What is Gertrude Martin Tonsberg's auction record?

Gertrude Martin Tonsberg's auction record is $1,955, set in 2001.

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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, “Gertrude Martin Tonsberg auction prices”, https://www.openingbid.art/artist/gertrude-martin-tonsberg (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.