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Rollei Rolleiflex 4x4 Baby (prototype PR 205)

The Rolleiflex 4x4 Baby (prototype PR 205) is an experimental twin-lens reflex from Rollei, designed to shoot the 4x4cm square format on 127 roll film. As a factory prototype rather than a production model, it sits outside the regular Baby Rolleiflex lineage and exists in extremely small numbers.

Only a single UK auction record underpins this listing: one hammer result of £18,000 in November 2013, achieved at saleroom level before buyer's and seller's commission. With no comparable sales since, there is no meaningful range or median to quote, and any present-day value in 2026 would be set by negotiation between specialist collectors rather than by an active market. Prototype TLRs of this kind are highly condition- and provenance-sensitive, and what one sells for can vary widely depending on documentation.

Sales History

Prices shown are UK auction hammer results — the wholesale level achieved in the saleroom. Neither buyer’s nor seller’s commission is included. Dealer and retail asking prices are typically higher.

Prices updated: November 2013

Date Price Source
Nov 2013 EUR 18,000 Leitz Auction

Frequently asked questions

What is a Rolleiflex 4x4 Baby (prototype PR 205) worth today?

The only recorded UK auction hammer price is £18,000 from 2013, so its value today is best treated as a specialist collector figure rather than a settled market price.

How much does a Rolleiflex 4x4 Baby prototype sell for at auction?

On the single sale on record it sold for £18,000 at hammer, excluding commissions; with no later results, that one data point is the only firm reference for what the prototype price has been.

Why is the price so much higher than a standard Baby Rolleiflex?

Production Baby Rolleiflex TLRs are relatively common, whereas the PR 205 is a factory prototype that survives in tiny numbers, and rarity of this kind drives the value well above standard 4x4 models.

Is this the same as a regular Rolleiflex 4x4?

No — the PR 205 is a prototype designation, separate from the production 4x4 Baby Rolleiflex cameras that Rollei sold commercially.